The Journal of
Physical Chemistry
0 Copyright 1994 by the American Chemical Society
VOLUME 98, NUMBER 37, SEPTEMBER 15, 1994
C. N.
R. Rao
Photograph courtesy of G . G . Welling
TI issue of The Journal ofPhysical Chemistry is dedicated to Prc ssor C . , R. Rao on the occasion of his 60th birthday. Professor C. N. R. Raoisanoutstandingscientistwhohasmadeimportantcontributions to many fields of physical and solid state chemistry. He has been intensely active in research for more than four decades. He is the author of more than 700 research papers and has authored/edited more than 30 books. He has received a very large number of awards and is a Foreign Fellow of almost every academy. He has been a builder of institutions and has also been a leading force in science policy not only in India but also in the international arena. He is probably the most quoted and noted chemist from the Third World. Professor C. N. R. Rao is a man who is interested in almost everything that life has to offer. Those of us who have been fortunate to know him personally have always felt stimulated and envigorated by his great enthusiasm and love for science. His affection for his fellow scientists and the help he has tendered to countless younger colleagues in India and abroad are hard to describe in words. With his undiminished dynamism, creative energy, and an active research group, many moreexciting thingscan beexpected fromProfessor Rao. Wejoin his innumerable friends and colleagues in wishing him a long, enjoyable, and continuing fruitful life. C. A. Angell, Guest Editor B. Bagchi, Guest Editor A. D. Buckingham, Guest Editor Sir John Meurig Thomas, Guest Editor 0022-3654/94/2098-9083~04.50/0
0 1994 American Chemical Society
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Biographical Notes Born in Bangalore, June 30, 1934. M.Sc. Banaras Hindu University, 1953;Ph.D. Purdue University, 1958;DSc. Mysore University, 1960;Research Associate, University of California, Berkeley, 1958; Lecturer, Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 1959-63;Professor and Head, Later Dean of Research, Chemistry Department, Indian Institute of Technology, Kanpur, 1963-76; Commonwealth Professor at Oxford University, 1974-75; Founding Professor and Head, Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, 1976-84; Director, Indian Institute of Science, Bangalore, 1984;Nehru Professor at University of Cambridge, 1983-84; Founder President, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, 1989; Professor and Director, Centre of Excellencein Chemistry (Supported by CSIR); Honorary Professor, University of Wales, Cardiff (UK), and Adjunct Professor, Pennsylvania State University, College Park, Pennsylvania (USA). Fellow, The Royal Society, London; Fellow, Indian Academy of Sciences, Fellow, Indian National Science Academy; Foreign Associate, National Academy of Sciences, USA; Honorary Foreign Member, American Academy of Arts & Sciences; Foreign Member of the Soviet (now Russian) Academy of Sciences, Polish Academy of Sciences, Czech Academy of Sciences, Slovenian Academy of Sciences and Serbian Academy of Arts and Sciences; Founding Fellow, Third World Academy of Sciences; Member, Pontifical Academy of Sciences. Member of 20 Editorial Boards including Journal of Physical Chemistry, Accounts of Chemical Research, Solid State Communications, Chemical Physics Letters, Journal of Solid State Chemistry, J. Materials Chemistry and Chemical Communications. Marlow Medal (Faraday Society), 1967;Bhatnagar Prize, 1968;Jawaharlal Nehru Fellowship, 1973; Sir C. V. Raman Award (University Grants Commission), 1975; Centennial Foreign Fellowship(American Chemical Society), 1976;Federation of Indian Chambers of Commerce Award, 1977; S. N. Bose Medal (Indian National Science Academy), 1980;Royal Society of Chemistry (London) Medal, 1981;P. C. Ray Medal (Indian Chemical Society), 1984;Nehru Award for Science, 1988;Modi Award for Innovative Science, 1’989; Honorary Fellowship of the Royal Society of Chemistry, London, 1989; Hevrovsky Gold Medal (Czechoslovak Academy), 1989; Megh Nad Saha Medal (Indian National Science Academy), 1990;Blackett Lectureship (Royal Society), 1991; CSIR Golden Jubilee Prize in physical sciences, 1991; Science & Technology Award of Kamal Kumari Foundation, 1992; Distinguished Materials Scientist Award, Materials Research Society of India, 1992; National Academy of Science International Science Lecture, 1993;and P. C. Ray Medal of the Indian Science Congress, 1994. National titles of Padma Shri (1974)and Padma Vibhushan (1985)by the President of India. Former President, International Union of Pure & Applied Chemistry and Former President, Indian Academy of Sciences and former Chairman, Science Advisory Council to the Prime Minister. Vice-president of Third World Academy of Sciences; International Organization of Chemistry for Development, Chairman of Advisory Board, CSIR, India, Member of General Council of the International Council of Scientific Unions (ICSU), Member of Atomic Energy Commission, India.
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Autobiographical Sketch I was born in Bangalore, India, on June 30, 1934,the only child of Nagamma and Nagesa Rao. My father was in the teaching profession with degrees in history and education. Education had the highest importance in the family, and I received considerable encouragement and support from my parents. My mother, who taught me at home until I went to the middle school, was my first mentor. I enjoyed science classes at school and was excited by reading the lives of great scientists. I still remember the occasion of meeting Prof. C. V. Raman when I was in high school. In the summer of 1946,Prof. Raman spent nearly an hour taking me and two of my friends around his laboratory. As an undergraduate at Bangalore, I found both physics and chemistry interesting. Unfortunately, there were no research opportunities for undergraduates. I went to Banaras Hindu University for a Master’s degree in physical chemistry as the degree requirement included research. I obtained the Master’s degreein 1953at theageof 19,witha thesisonelectricaldischarges with Prof. S. S.Joshi. It was at this time that I read Nature of the Chemical Bond by Linus Pauling. This book had a great impact on me and was responsible for my fascination for research in areas related to molecular structure. With this ambition, I left India in late 1954 to Purdue University for my Ph.D. degree (after a brief stint at the Indian Institute of Technology, Kharagpur, where I did some research work on adsorption and catalysis). For my Ph.D. studies, physical chemistry was the major subject and physics was the minor subject. This combination gave me considerable opportunity to take several physics courses. Although I was to work on the determination of molecular structure by electron diffraction of gases for my Ph.D. with Prof. R. L. Livingston, I initially worked on some problems in physical organic chemistry and spectroscopy as a research assistant to Prof. Eugene Lieber. This assistantship enabled me to study spectroscopy on my own and carry out a few investigations in this area. I was inspired by Prof. H. C. Brown with whom I took some courses. He encouraged me to carry out some independent work which I published during my Ph.D. studies. I owe much to Prof. Livingston, who gave me the freedom to work on research problems with several professors at Purdue, besides carrying out my Ph.D. work. Clearly, it was my graduate studies in the U S . (at Purdue University) that created an abiding interest in chemistry in me and a passion for research. I went to Berkeley for postdoctoral work with Prof. K. S. Pitzer. Prof. Pitzer, whom I consider to be a great physical chemist, has been a source of inspiration ever since. I came back to India from the U S . late in 1959and joined the Indian Institute of Science (IISc), Bangalore, as a Lecturer. I had better offers with higher salaries from other institutions, but I picked IISc since I considered it to be the best graduate research Institute in India. This turned out to be a good decision. I married Indu (an M.A. in English) in 1960. I started my career at IISc with two Ph.D. students and initiated some work on spectroscopy. The only problem was that I had no spectrometers to work with. There was a manual UV-visible spectrometer for recording spectra of solutions. I could think of some reasonably interesting problems that could be tackled with this spectrometer and had to depend on Prof. C. V. Raman and some of the laboratories elsewhere to record infrared spectra. In spite of these limitations, I did not give up spectroscopy. We published a few papers, some of which became citation classics. I wrote a little monograph on UV-visible spectroscopy for chemists using molecular orbital notations (Butterworths, 1961) and a book on IR spectroscopy (Academic Press, 1963). My students and I started working in solid state chemistry with a tiny X-ray camera (5.7cm diameter) and almost no other equipment. We
worked on phase transitions in oxides and on some aspects of defect solids. My interest in solid state chemistry had been aroused after reading Garner’s book and by the eary workof J. S. Anderson and Carl Wagner. Although I could publish a few papers with my students (I had five Ph.D. students by 1961), it soon became clear that with the available facilities I could not plan a major program in spectroscopy or in solid state chemistry. I visited Chicago and Purdue for a few months a t that time, and on my return in late 1962, when I was seriously considering my professional plans for the future, the new Indian Institute of Technology at Kanpur (IIT/K) offered me an Associate Professorship. This Institute was supported by a consortium of American universities including MIT, Caltech, Berkeley, and Purdue. I took up this position and became the first Head of the Chemistry Department (and full Professor in 1964). I had the tremendous opportunity to build a department a t a young age, by attracting the best available young Indian chemists from the U S . and other parts of the world. We developed excellent undergraduate and graduate curricula. It was an exciting department to work in. Today, a large number of alumni of this department occupy important positions in India and elsewhere. We could get reasonable facilities for research a t IIT/K, but the spectrometers were a central facility. It was not possible to embark on a research program in spectroscopy since reliable instruments were not available for the purpose. Although we carried out some work in spectroscopy and molecular structure, I decided to make solid state chemistry the main theme of my research. We could fabricate little instruments, sufficient to take up a few good problems for study. I considered solid state chemistry to be an important area because it was still at its infancy in theearly 1960sand had much tocontribute to theunderstanding and development of materials. I spent 14 years a t IIT/K, and much of the work I have done in solid state chemistry was in some way initiated or thought of there. In 1965 Prof. C. V. Raman took personal interest in getting me elected as a Fellow of the Indian Academy of Sciences. In 1967,I received the Marlow Medal of the Faraday Society, England, the first international recognition. Although I have received many other awards since, I hold these two as the most important since they gave a boost to my morale a t a crucial juncture in my professional life. I went to Oxford during 197475 as a Commonwealth Professor at the invitation of Prof. J. S. Anderson, and this period was highly beneficial to the furthering of interests in solid state chemistry. It was during this period that I developed close association with Sir Neville Mott. Around 1975,it dawned on me that the quality of research in solid state chemistry and spectroscopy could not be improved unless I had better equipment and related infrastructural facilities. It was at this time that IISc, Bangalore, invited me back as a Professor to start a new department devoted to my areas of interest. That is how the Solid State and Structural Chemistry Unit came into being. I had to attract funds from various agencies to build the necessary facilities for research. We got some equipment for spectroscopic research and also built instruments for the study of molecules and molecular interactions in the gas phase by photoelectron spectroscopy and related techniques. The Solid State and Structural Chemistry Unit has since been recognized by various national agencies as an advanced center for research. My interest in spectroscopy had diminished slightly by the late 1970s becauseof the long wait (1959-1978)to obtain minimum facilities. I still feel disappointed that I could not tackle many of the problems that I had thought of in spectroscopy. In solid state chemistry, however, my students and I have been able to do work on various aspects of the subject such as phase transitions, defect solids, transition metal oxides, and soon. We have studied
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The Journal of Physical Chemistry, Vol. 98, No. 37, 1994
phenomena such as the metal-nonmetal transitions in complex oxides. We have employed computer simulations to understand phase transitions. We have tailor-made novel oxides and investigated structure-property relations. One of the oxide systems that we studied as early as in 1970 was that of layered oxides of the type La2Cu04. Little did we realize then that this would be the mother oxide for high-temperature superconductivity. We have since synthesized many interesting superconducting oxides and studied their structure, properties, and the phenomena exhibited by them. We have studied structures of complex catalysts by EXAFS (using a rotating anode) and other techniques and examined several interesting problems related to solid surfaces by photoelectron and related spectroscopies. We have recently carried out some work on metal clusters, fullerenes, and other nanomaterials and are continuing to explore ingenious chemical routes to design unusual, metastable solids. Doing experimental research has not been easy. Frequent failure of electricity and water supply alone is enough to make it nearly impossible to pursue experiments involving long runs, ultrahigh vacuum, etc. We have to have our own electric supply for each instrument or laboratory. I have found it necessary to have reasonable competence in fabricating and maintaining instruments. There is no way one can do modern experimental research in physical sciences, particularly in a developing country, without some capability in instrumentation. One cannot possibly depend on instrument suppliers located across continents to run a laboratory. There was a time when it was very difficult to get special chemicals and other types of materials. I used to keep collecting them from all over the world and bring them with me each time I went abroad. Fortunately, we can purchase materials nowadays relatively easily, but one has still to plan well ahead. We often run short of components and spares, IC’s, and the like; lasers and such expensive items often need replacement. Besides the immense cost, waiting is agonizing. One cannot think of an idea and expect to perform experiments in a reasonable period of time. I have had to wait for considerable periods to carry out some investigations and had to drop some altogether. With the few facilities that we have built and obtained, and the new strategies that I have adopted in carrying out research, things are much better today. We stilI miss many crucial facilities to tackle problems with the required degree of sophistication, but I shall not make excuses. During the past few years, I have been Director of the Institute and have also been developing the new Jawaharlal Nehru Centre for Advanced Scientific Research. Whatever may be my other commitments, I have managed to get a t least 6-8 hours each working day for research. I have worked full days over weekends and holidays as long as I remember. It seems that one has to work so much harder in India to accomplish something worthwhile. It was with the dream of developing a good experimental group in solid state and structural chemistry that I have worked all these years in India. While I am not sure that I have fully succeeded, it has been most satisfying to teach, train, and work with young people. This effort has certainly been more enjoyable than any other aspect of my professional life. Directing and administering institutions, advising the government, and working in important national and international committees and academies have all no doubt given me invaluable experience, but nothing can match the excitement of carrying out successful experiments with students. As I approach the age of 60,I am making research
plans for the next decade, hoping that there will be some young people still wanting to work with me. I owe much to the band of young students and other co-workers who have lovingly devoted themselves to research during their stay with me. But for their support, it would not have been possible to accomplish much. Many of my students have become experts in the areas they worked on during their graduate studies, and I haveoftendropped such aspects of research to let my co-workers pursue them more intensely. Many of my colleagues here at the IISc and a t IIT/K have collaborated with me, and I would like to specially acknowledge the collaboration of Professors S. V. Bhat, P. Ganguly, J. Gopalakrishnan, T. N. Guru Row, M. S. Hegde, N. Kumar, T. V. Ramakrishnan, S. Ramasesha, K. J. Rao, D. D. Sarma, A. K. Sood, and S. Yashonath. I am thankful to my professional colleagues in the different parts of the world who have given me considerable affection and encouragement which have helped me to pursue my efforts in India. My visits abroad have been helpful in making sure that I am pursuing the right direction, for it is often difficult toevaluate one’s efforts from a distant place, where there are not as many active groups working in one’s area of interest. My stay a t the University of Cambridge as Nehru Professor in 1983-84 was specially useful in this respect, and I am thankful to Prof. John Thomas (now Sir John Meurig Thomas) for his long-standing friendship. I have specially enjoyed the collaboration and friendship with Professors J. M. Honig, J. B. Goodenough, P. Hagenmuller, H. Ratajczak, W. J. Orville-Thomas, B. Raveau, P. P. Edwards, A. Rousset, and M. W. Roberts. I have been the recipient of the kindness and encouragement of many other chemists whom I admire, specially Professors F. A. Cotton, G. S. Hammond, Jack Lewis, J. Rouxel, S. Nagakura, and V. Koptyug. I have always treasured the feeling that I belong to a world community of chemists. This feeling got further reinforced when I was elected the President of the International Union of Pure and Applied Chemistry some years ago. Indu, my wife for the past 34years, has not only been a constant support but has taken the brunt of running the household and taking care of the family, besides having her own professional commitments as an educator. I owe much to her and our two children. The Department of Science & Technology, Councilof Scientific & Industrial Research, and University Grants Commission and other agencies of the Government of India have been highly supportive of my research efforts. The U S . National Science Foundation and other U S . agencies have continuously funded my research. I am thankful to all of them. This special issue of The Journal of Physical Chemistry is a great 60th birthday present and has given me tremendous encouragement. I am most grateful to my physical chemistry colleagues, specially Prof. Mostafa El-Sayed and other editors of the Journal, the guest editors, Professors Angell, Bagchi, Buckingham, and Thomas, and the contributors, for this wonderful gesture. I have considered myself a physical chemist from the very beginning. The subject has grown in a big way in the past few decades, and The Journal of Physical Chemistry itself has been transformed in the past few years. It is a matter of great pleasure for me to be considered a physical chemist worthy of this special issue of the Journal. C. N . R. Rao
J. Phys. Ckem. 1994, 98, 9087
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Scientific Colleagues
D. C. Agarwal U. Agarwal H. N. Aiyer T. Arunarkavalli S.Ayyappan D. Bahadur A. Balasubramanian P. K. Basu K. R. Bhaskar* M. Bhat S.N. Bhat A. Chakrabarti G. C. Chaturvedi P. C. Dwivedi L. Ganapathi A. K. Ganguli S.Ganguly* S.Ghosh R. K. Gosavi A. Govindaraj Abha Gupta A. Gupta V. Jayaram P. V. Kamath K. R. Kannan G. U. Kulkarni* H. Kumar
L. Bouet D. Buttrey P. Chakraborti V. Jadhao V. Kalyanaraman Ch. Laurent
N. Bandekar S. Bharati V. Bhat R. Bhattacharya G. V. Chandrashekhar G. R. Desiraju M. C. Durrant
* Also worked as postdoctoral associates.
Graduate Students W . H. Madhusudan R. Mahesh V. Manivannan P. N. Mehrotra R. A. Mohan Ram A. S. N. Murthy* T. Murugesan R. Nagarajan M. Natarajan Om Parkash R. Parthasarathy K. C. Patil S. Prabhakar K. Prabhakaran T. Pradeep* Ch. Pulla Rao A. R. Raju M. K. Rajumon G. Rama Rao S.Ramasesha* S. K. Ramasesha S. Ramdas* G. Ranga Rao* N. Rangavittal A. M. K. Rao K. G. Rao
Collaborators during Their Graduate Studies R. Loehman K. S. Nanjundaswamy J. Ramachandran A. Ramanan K. K. Singh
Postdoctoral Associates J. R. Fernandes P. Ganguly E. Grantscharova M. S.Hegde K. Jagannathan N. R. Jagannathan S. A. Kudchadkar
K. J. Rao* R. K. Rastogi G. Sankar* A. K. Santra D. D. Sarma R. L. N. Sastry P. Sen R. Sen R. Seshadri A. K. Shukla* S. Singh P. Somasundaram A. Srinivasan G. N. Subbanna G. V. Subba Rao* H. R. Swamy K. N. Tantry M. K. Uppal V. Varma S. Vasudevan R. Venkataraghavan K. Vidyasagar V. Vijayakrishnan R. Vijayaraghavan S.Yashonath S. R. Yoganarasimhan
K. P. Singh K. Sreedhar* G. Thornton H. N. Vasan N. Y. Vasantacharya
B. Prakash H. S. Randhawa P. R. Sarode C. S. Sreekanth B. Viswanathan M. S. Tomar M. Verelst
J . Phys. Chem. 1994,98, 9088-9096
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Selected Publications Books 1. C. N. R. Rao. Chemical Approaches to the Synthesis of Inorganic Materials; John Wiley: New York, 1994. 2. C. N. R. Rao, Ed. Chemistry of Advanced Materials; IUPAC 21st Century Monograph; Blackwell: Oxford, 1992. 3. M. Graziani and C. N. R. Rao, Eds. Advances in Catalyst Design; World Scientific: London, 1991 and 1993; Vols. 1 and 2. 4. C. N. R. Rao, Ed. Chemistry of High-Temperature Superconductors; World Scientific: London, 1991. 5. C. N. R. Rao and J. Gopalakrishnan. New Directions in Solid State Chemistry; Cambridge University Press: 1986: 2nd ed. (paperback), 1989; Russian translation, 1990. 6. R. Mason, C. N. R. Rao, N. Sheppard, M. W. Roberts, and J. M. Thomas, Eds. Studiesof SolidSurfaces by Electron Spectroscopy: Recent Trends; The Royal Society: London, 1986. 7. P. P. Edwards and C. N. R. Rao, Eds. The Metallic and the Non-metallic States of Matter; Taylor and Francis: London, 1985. 8. C. N. R. Rao and K. J. Rao. Phase Transitions in Solids (An Approach to the Study of Chemistry and Physics of Solids); McGraw-Hill: New York, 1978 (reprinted 1979). 9. C. N. R. Rao, Ed. University General Chemistry;Macmillan Co.: 1973 (revised edition, 1980; reprinted several times since). 10. C. N. R. Rao, Ed. Modern AspectsofSolidState Chemistry; Plenum Press: New York, 1970. 11. C. N. R. Rao. Chemical Applications of Infrared Spectroscopy; Academic Press: New York, 1963. 12. C. N. R. Rao. Ultra-violet and Visible Spectroscopy; Butterworths: London (translated into Russian, Spanish, Polish, and Japanese); 1st ed., 1961; 3rd ed., 1975 (reprinted 1977).
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Research Articles S.K. Ramasesha, A. K. Singh, R. Seshadri, and C. N. R. Rao. Orientational ordering in C70: Evidence for three distinct phase transitions; Chem. Phys. Lett., 220, 203 (1994). A. Chakrabarti, S. Yashonath, and C. N. R. Rao. Comparison of positional disorder in the liquid and glassy states of hydrocarbons: Dependence of disorder on molecular shape; Mol. Phys., 81, 467 (1994). D. V. S.Muthu, M. N. Shashikala,A. K. Sood,R. Seshadri, and C. N. R. Rao. Raman study of the doped fullerene, c 6 0 . TDAE; Chem. Phys. Lett. 217, 146 (1994). H. N. Aiyer, V. Vijayakrishnan, G. N. Subbanna, and C. N. R. Rao. Investigations of Pd clusters by the combined use of HREM, STM, high energy spectroscopies and tunneling conductance measurements; Surf. Sci., 1994, 31 3, 392. S. V. Bhat, A. Rastogi, N. Kumar, and C. N. R. Rao. Paramagnetic Meissner effect in YBa2Cu3076; Physica C, 219, 87 (1994). G. U. Kulkarni, K. R. Kannan, T. Arunarkavalli, and C. N. R. Rao. Particle size effects on the Tc of MnFezO4: Evidence for finite size scaling; Phys. Rev. B, 49, 724 (1994).
7. C. N. R. Rao, R. Seshadri, A. Govindaraj, and J. P. Mittal. Electronic absorption and emission spectroscopic investigations of the interaction of the fullerenes C60 and C70 with amines and aromatic molecules; J . Mol. Struct., 300, 289 (1993). 8. A. Chakrabarti, S.Yashonath, and C. N. R. Rao. Orientational glassy phases of Cm and neopentane: A Monte Carlo study; Chem. Phys. Lett., 215, 591 (1993). 9. T. Arunarkavalli, G. U. Kulkarni, and C. N. R. Rao. Structuralchanges accompanying the spin-state transition in LaCo03: A variable temperature EXAFS study; J . Solid Chem., 107, 299 (1993). 10. C. N. R. Rao, R. Nagarajan, R. Mahesh, G. U. Kulkarni, S. Ayyappan, and G. N. Subbanna. Structure and properties of oxyanion derivatives of 123 cuprate superconductors: Effect of substitution of carbonate and nitrate ions in the Cu( 1) position of YBaSrCu307; Solid State Commun., 88, 757 (1993). 11. C. N. R. Rao. Four decades of research in solid state chemistry; Bull. Mater. Sci., 16, 405 (1993). 12. C. N. R. Rao, V. Vijayakrishnan, H. N. Aiyer, G. U. Kulkarni, and G. N. Subbanna. An investigation of wellcharacterized small gold clusters by photoelectron spectroscopy, tunneling spectroscopy and cognate techniques; J . Phys. Chem., 97, 11157 (1993). 13. T. Arunarkavalli, G. U. Kulkarni, and C. N. R. Rao. An EXAFS study of Cu-ZnO and Cu-ZnO-Al203 methanol synthesis catalysts; Catal. Lett., 20, 259 (1993). 14. C. N. R. Rao, K. J. Rao, S.Ramasesha, D. D. Sarma, and S. Yashonath. Physical Chemistry of Solids; Annu. Rep. Prog. Chem. C: Phys. Chem., 89 (1993). 15. R. Nagarajan and C. N. R. Rao. Structural changes accompanying the low-temperautre annealing of YBa2Cu3076: Transformation of the 123 phase to a 124 type structure; J. Solid State Chem., 103, 533 (1993). 16. N. Chandrabhas, K. Jayaram, D. V. S.Muthu,A. K. Sood, R. Seshadri, and C. N. R. Rao. Orientational phase transitions in c70: A Raman spectroscopic investigation; Phys. Rev. B, 47, 10963 (1993). 17. C. N. R. Rao. Fascinating chemistry of metal clusters and carbon clusters; Solid State Ionics, 63-65, 835 (1993). 18. V. Varma, N. Rangavittal, and C. N. R. Rao. A study of superonic CsH04 and Csl,LixHS04 through their phase transitions by employing vibrational spectroscopy and X-ray diffraction; J . SolidState Chem.,106,164 (1993). 19. L. Bouet, Ph. Tailhades, A. Rousset, K. R. Kannan, M. Verelst, G. U. Kulkami, and C. N. R. Rao. 57FeMbsbauer and Mo EXAFS investigations of MoxFe3-x04, an interesting mixed-valent oxide system; J. Solid State Chem., 102, 414 (1993). 20. T. Arunarkavalli, G. U. Kulkarni, and C. N. R. Rao. Strongmetal support interaction in Ni/TiO2 catalysts: In-situ EXAFS and related studies; Catal. Lett., 17, 29 (1993). 21. A. K. Santra, R. Seshadri, V. Vijayakrishnan, and C. N. R. Rao. Interaction of solid films of c 6 0 and C70 with nickel; Solid State Commun., 85, 77 (1993). 22. R. Seshadri, A. Rastogi, S. V. Bhat, S. Ramasesha, and C. N. R. Rao. Molecular ferromagnetism in c60. TDAE; Solid State Commun., 85, 971 (1993). 23. C. N. R. Rao. Spectroscopic Investigations of phase transitions in complex solids; J . Mol. Struct. 292, 229 (1993). 24. D. K. Palit, A. V. Sapre, J. P. Mittal, and C. N. R. Rao. Photophysical properties of (260 and C70; Chem. Phys. Lett., 195, 1 (1992).
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25. D. K. Palit, H. N. Ghosh, A. V. Sapre, J. P. Mittal, R. Seshadri, and C. N. R. Rao. Dynamics of charge transfer in the excited amine complexes of the fullerenes Cm and (270: A picosecond laser flash photolysis study; Chem. Phys. Lett., 198, 113 (1992). 26. N. Chandrabhas, M. N. Shashikala, D. V. S.Muthu, A. K. Sood,and C. N. R. Rao. Pressureinduced orientational ordering in c 6 0 crystals as revealed by Raman spectroscopy; Chem. Phys. Lett., 197, 319 (1992). 27. V. Vijayakrishnan, A. Chainani, D. D. Sarma, and C. N. R. Rao. Metal-insulator transitions in metal clusters: A high energy spectroscopic study of Pd and Ag clusters; J. Phys. Chem., 96, 8678 (1992). 28. V. Varma, R. Bhattacharjee, H. N. Vasan, and C. N. R. Rao. Infrared and Raman spectroscopic investigations of methylammonoium haloantimonates (111) [N(CH3)&Hn]3Sb2X9(n = 0-3) (X = Clor Br)], through their phase transitions; Spectrochim. Acta, 48A, 163 1 (1992). 29. C. N. R. Rao, V. Vijayakrishnan, A. K. Santra, and M. W. J. Prins. Dependence of the reactivity of transition metal clusters deposited on solid substrates on the cluster size; Angew. Chern., Znt. Ed. Engl., 31, 1064 (1992). 30. A. Chakrabarti, S. Yashonath, and C. N. R. Rao. Importance of orientational rearrangement during vitrification of hydrocarbons: Dependence on molecular shape; J. Phys. Chem., 96, 6762 (1992). 31. H. Srikanth, A. K. Raychaudhuri, C. R. V. Rao, P. Ramaswamy, H. N. Aiyer, and C. N. R. Rao. Tunneling studies on single crystals of superconducting Bi2Cal-xYSr2C~208b; Physica C, 200, 372 (1992). 32. A. K. Santra, R. R. Sheelam, and C. N. R. Rao. Dependence of the Cu(2p) photoemission intensities and the superconducting transition temperature in cation-substituted derivativesof YBa2Cu307and La1.8Sr0.2CuO4on the hole concentration and related factors; Physica C, 192, 317 (1992). 33. A.K. Sood, N. Chandrabhas, N. Kumar, A. Jayaraman, and C. N. R. Rao. Pressure-induced band gap narrowing in single crystals of Buckminsterfullerene,C.5,): Implications for intrinsic metallization and superconducting in doped samples; Solid State Commun., 81, 89 (1992). 34. C. N. R. Rao, A. K. Santra, and D. D. Sarma. Variation of Cu-0 charge-transfer energy in YBa2Cu307-x thin films studied by photoemission spectroscopy;Phys. Rev. B,45, 10814 (1992). 35. V. Varma and C. N. R. Rao. An infrared and Raman study of the phase transitions and torsional barrier in N2H6SO4;J. Mol. Struct., 268, 1 (1992). 36. C. N. R. Rao, G. U. Kulkarni, K. R. Kannan, and S. Chaturvedi. In-situ Mossbauer and EXAFS investigations of the structure and magnetic properties of bimetallic Fe-Ni/SiOl and Fe-Cu/SiOz catalysts: Alloy formation, reducibility and catalytic properties; J. Phys. Chem.,96, 7379 (1992). 37. P. Santikary, S. Yashonath, and C. N. R. Rao. Molecular Dynamics Simulation of Clathrates: Noble gases in the cage of -hydroquinone; Chem. Phys. Lett., 142, 390 (1992). 38. T. Pradeep and C. N. R. Rao. Electron states of the HC1 dimer; J. Chem. Phys., 94, 4680 (1991). 39. T. Pradeep and C. N. R. Rao. Photoelectron spectrum of the Xe-HCl van der Waals molecule; J. Chem. Phys., 94, 4680 (1991). 40. T. Pradeep and C. N. R. Rao. An ultraviolet photoelectron spectroscopic study of the dimers of methanol and dimethylamine. J. Mol. Spectrosc., 150, 289 (1991).
41. T. Pradeep and C. N. R. Rao. An ultraviolet photoelectron spectroscopic study of the H2S dimer, a van der Waals molecules; Chem. Phys. Lett., 1985, 496 (1991). 42. C. N. R. Rao and T. Pradeep. Studies of molecular interactions in vapour phase by ultraviolet photoelectron spectroscopy; Chem. SOC.Rev., 20, 477 (1991). 43. S.Yashonath and C. N. R. Rao. Structure and Dynamics of Polar Liquids: A Molecular Dynamics Investigation of N,N-Dimethylformamide; Chem. Phys., 155, 35 1 (1991). 44. S. Ramasesha and C. N. R. Rao. Dependence of the polarizability of the Cu408 cluster on the doping, the weight of 01-(oxygen hole) state and the excitation gap in the three-band Hubbard model; Phys. Rev. B, 44,7046 (1991). 45. A. R. Raju and C. N. R. Rao. Gas-sensing characteristics of ZnO; Sensors Actuators, B3, 305 (1991). 46. T. Pradeep, V. Vijayakrishnan, and C. N. R. Rao. Interaction of nitrogen with fullerenes: Nitrogen derivatives of c 6 0 and C70; J. Phys. Chem., 95, 10564 (1991). 47. G. U. Kulkarni and C. N. R. Rao. An EXAFS study of the Mo/TiOz hydrodesulphurization catalysts; Catal. Lett., 11, 63 (1991). 48. C. N. R. Rao. Chemical insights into high-temperature superconductors; Phil. Trans. R . SOC.London, 336, 595 (1991). 49. V. Vijayakrishnan and C. N. R. Rao. An investigation of transition metal clusters deposited on graphite and metal oxide substrates by a combined use of XPS, UPS and Auger spectroscopy; Surf.Sci., 255, L5 16 (1 99 1). 50. C. N. R.Rao and G. Ranga Rao. Investivationsof nitrogen adsorbed on transition metal surfaces; Surf. Sci. Rep., 13, 221 (1991). 51. D. Kovatcheva, A. W. Hewat, N. Rangavittal, T. N. G. Row, and C. N. R. Rao. An X-ray and neutron diffraction study of cation substituted T1Sr2CuOS;Physica C, 173, 444 (1991). 52. V:Manivannan, J. Gopalakrishnan,and C. N. R. Rao. Novel modulation-free bismuth-lead cuprate superconductors; Phys. Rev. B, 43, 8686 (1991). 53. A. K. Santra, D. D. Sarma, and C. N. R. Rao. Relation between the electronic structure of cuprates and their superconductivity; Phys. Rev. B, 43, 5612 (1991). 54. C. N. R. Rao, J. Gopalakrishnan, A. K. Santra, and V. Manivannan. Relation between Tcand hole concentration in superconducting cuprates; Physica C, 174, 1 1 (1991). 55. G . U. Kulkarni, G. Sankar, and C. N. R. Rao. An in-situ EXAFS investigations of bimetallic Cu-Nily-Al203 catalysts; J. Catal., 131, 491 (1991). 56. G. U. Kulkarni and C. N. R. Rao. EXAFS investigations of Fe, Co, Ni and Cu-Mo/Alz03 HDS catalysts; Catal. Lett., 9, 427 (1991). 57. S. Prabhakar, K. J. Rao, and C. N. R. Rao. 29SiNMR chemical shifts in silicates; Chem. Phys. Lett., 183, 176 (1991). 58. A. R. Raju and C. N. R. Rao. V20s based hydrocarbon sensors; J. Chem. SOC.,Chem. Commun., 1260 (1991). 59. G. Sankar, K. R. Kannan, and C. N. R. Rao. Anataserutile transformation in Fe/TiO2, Rh/TiOsand Cu/TiOz catalysts and its possible role in metal support interaction; Catal. Lett., 8, 27 (1991). 60. T. Pradeep and C. N. R. Rao. Electronic Transitions in hydrogen bonded complexes: An electron energy loss spectroscopic study; J. Mol. Struct., 224, 21 (1990). 61. T. Pradeep and C. N. R. Rao. Electronic Transitions of AlC13,AlBr3 and FeCl3 in the Vapour phase: An Electron Energy Loss SpectroscopicStudy; J. Mol. Spectrosc. 139, 453 (1990).
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62. G. Ranga Rao and C. N. R. Rao. Adsorption of nitrogen on clean and modified single crystal Ni surfaces; Appl. Surf. Sci., 45, 65 (1990). 63. C.N. R. Rao, K. Prabhakaran,andM. K.Rajumon.Nature of oxygen adsorbed on metal surfaces as revealed by electronspectroscopy;Rev. SolidStateSci.,4,843 (1990). 64. C. N. R. Rao, G. Ranga Rao, M. K. Rajumon, and D. D. Sarma. Crucial role of Cu-0 charge-transfer energy in the superconductivity of cuprates: Evidence from Cu(2p) core level spectroscopy; Phys. Rev. B, B42, 1026, (1990). 65. C. N. R. Rao, R. Nagarajan, A. K. Ganguli, G. N. Subbanna, and S. V. Bhat. The nature and stability of the so-called 60K superconducting phase in the YBa2Cu3O74system; Phys. Rev. B, B42, 6765 (1990). 66. G. U. Kulkarni, V. Vijayakrishnan, G. Ranga Rao, Ram Seshadri, and C. N. R. Rao. State of Bi in BaBi03 and BaBil,Pb,03: Bi(4f')photoemissionand BiL3 absorption spectroscopicstudies; Appl. Phys. Lett., 57,1823 (1 990). 67. A. K. Ganguli, V. Manivannan, A. K. Sood, and C. N. R. Rao. A new family of thallium cuprate superconductors not containing Ca or Ba; Appl. Phys. Lett. 55, 2664. 68. C. N. R. Rao, T. V. Ramakrishnan, and N. Kumar. Systematicsin the thermopower behaviour of several series of Bi and T1 cuprate superconductors: An interpretation of the temperature variation and sign of the thermopower; Physica C, 165, 183 (1990). 69. S.Prabhakar, K. J. Rao, and C. N. R. Rao. llB NMR spectra and the structure of boric oxide and alkali borate glasses; Proc. R . SOC.London, A429, 1 (1990). 70. S.Prabhakar, K. J. Rao, and C. N. R. Rao. A MASNMR investigation of aluminosilicate, silicophosphate and aluminosilicophosphategels and he evolutionof crystalline structures on heating the gels; J. Mater. Res., 6, 592 (1991). 71. M. K. Rajumon, K. Prabhakaran, and C. N. R. Rao. Adsorption of oxygen on (loo), (1 10) and (1 11) surfaces of Ag, Cu and Ni: An electron spectroscopicstudy; Surf. Sci., 233, 237 (1990). 72. G. Ranga Rao and C. N. R. Rao. A study of strong-metalsupporinteraction (SMSI) based on an electron spectroscopic investigation of nitrogen adsorption in simulated Ni/TiOz, Ni/A1203 and the related catalyst surfaces; J. Phys. Chem., 94, 7986 (1990). 73. K. Prabhakaran and C. N. R. Rao. Adsorption of carbonyl compounds on clean and modified Cu (1 10) surfaces: A combined EELS-UPS study; Appl. Surf. Sci., 44, 205 (1990). 74. T. Pradeep and C. N. R. Rao. Electronic transitions in hydrogen bonded dimers of carboxyiic acids in vapour phase; J. Chem. SOC.,Chem. Commun., 1019 (1989). 75. T. Pradeep, C. S. Sreekanth, M. S. Hegde, and C. N. R. Rao. Experimental electronic structures of So2 complexes: An electron spectroscopic study; J. Am. Chem. SOC.,111, 5058 (1989). 76. T. Pradeep, C. S. Sreekanth, and C. N. R. Rao. An UV Photoelectron spectroscopic study of BF3-donor complexes; J. Chem. Phys., 90, 4704 (1989). 77. V. Varma, and J. R. Fernandes, and C. N. R. Rao. Raman and infrared spectroscopic studies of the low and hightemperature forms of octahalo-cyclicphosphazenetetramers; J. Mol. Struct., 198, 403 (1989). 78. K. B. R. Varma, G. N. Subbanna, T. V. Ramakrishnan, and C. N. R. Rao. Dielectric properties of glassesprepared by quenching melts of superconducting Bi-CaSr-Cu-0 cuprates; Appl. Phys. Lett., 55, 75 (1989).
79. G. U. Kulkarni, G. Sankar, and C. N. R. Rao. Nature of Pb in cuprate superconductors: A PbL3 XANES study; Appl. Phys. Lett., 55, 388 (1989). 80. T. V. Ramakrishnan and C. N. R. Rao. Physical Chemistry of Superconducting oxides; J. Phys. Chem. (Feature Article), 93, 4414 (1989). 81. C. N. R. Rao, D. D. Sarma, and G. R. Rao. Investigations of oxide superconductors by X-ray absorption, photoemission and cognate spectroscopies;Phase Transitions, 19, 69 (1989). 82. C. N. R. Rao, V. Bhat, R. Nagarajan, G. R. Rao, and G. Sankar. Nature of copper in the new cuprate superconductors, Pb2Sr2Cal-,LnXCu30~;Phys. Rev. B, 39,962 1 (1989). 83. C. N. R. Rao, A. K. Ganguli, and R. Vijayaraghavan. Superconducting layered cuprates of the type T1Cal,Ln$r2Cu207; Phys. Rev., B40, 2565 (1989). 84. C. N. R. Rao and B. Raveau. Structural aspects of Hightemperature oxide superconductors;Acc. Chem.Res., 22, 106 (1989). 85. C. N. R. Rao. Transition Metal Oxides; Annu. Rev. Phys. Chem., 40, 291 (1989). 86. A. K. Ganguli and C. N. R. Rao. An investigation of the PrBa2Cu307system; Z . Phys. B, 74, 215 (1989). 87. N. Y. Vasanthacharya, A. K. Raychaudhuri, P. Ganguli, and C. N. R. Rao. Spin-glass behaviour in the system LaNil,Mn,O3; J. Magn. Magn. Mater. 81, 133 (1989). 88. G. U. Kulkarni, G. Sankar, and C. N. R. Rao. Analysis of EXAFS data of complex systems; Z . Phys. B, 73, 529 (1989). 89. T. Pradeep, C. S. Sreekanth, M. S. Hegde, and C. N. R. Rao. An UPS-EELS investigationof the electron structure of BFyH2S; Chem. Phys. Lett., 151, 499 (1988). 90. B. K. Chakraverty, D. D. Sarma, and C. N. R. Rao. Crucial role of Cul+ ions and oxygen holes (Peroxitons) in the high-temperature superconductivityof cuprates; Physica C,156, 413 (1988). 9 1. G. Sankar, S. Vasudevan, and C. N. R. Rao. Strong metalsupport interaction in Ni/NbzOs and Ni/Ti02 catalysts; J. Phys. Chem., 92, 1878 (1988). 92. K. Prabhakaran and C. N. R. Rao. Oxygen chemisorption on Cu(ll0); Surf.Sci., 198, L307 (1988). 93. C. N. R. Rao and G. Ranga Rao. Adsorption of CO, N2 and 0 2 on modified transition metal surfaces; Chem.Phys. Lett., 146, 557 (1988). 94. S. V. Bhat, P. Ganguly, T. V. Ramakrishnan, and C. N. R. Rao. Absorption of Electromagnetic Radiation by Superconducting YBa2Cu307; J. Phys. C: Solid State, 20, L559 (1987). 95. C. N. R. Rao, P. Ganguly, A. K. Raychaudhuri, R. A. Mohan Ram, and K. Sreedhar. High-temperature superconductivityin the pure monophasicoxide YBazCusO7; Nature (London), 326, 856 (1987). 96. C . N. R.Rao, G. R. Rao, and K. Prabhakaran. A combined XPS-UPS-EELS study for nitrogen adsorbed on clean and barium promoted iron surfaces: Nature of the precursor to dissociation; Chem. Phys. Lett., 134, 47 (1987). 97. C. N. R. Rao, G. R. Rao, M. K. Rajumon, and K. Prabhakaran. A comparative study of CO and N2 adsorbed on clean and promoted transition metal surfaces by a combined useof XPS, UPS and EELS; Spectrochim. Acta, 43A, 1479 (1987). 98. K. Prabhakaran and C. N. R. Rao. A combined EELSXPS study of molecularly chemisorbed oxygen on silver surfaces: Evidence for superoxoand peroxo species;Surf. Sci., 186, L575 (1987).
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99. C. N. R. Rao and J. Gopalakrishnan. Synthesis of complex metal oxides by novel routes; Acc. Chem. Res., 20, 228 (1987). 100. S. Prabhakar, K. J. Rao, and C. N. R. Rao. A MAS 31P NMR investigations of crystalline and glassy inorganic phosphates; Chem. Phys. Lett., 139,96 (1987). 101. C. N. R. Rao. Computer simulation of glasses; Rev. Solid State Sci., 1, 1 (1987). 102. C. N. R. Rao, P. Ganguly, and R. A. Mohan Ram. A comparative study of the magnetic an electrical properties of perovskite oxides and the corresponding quasi twodimensional oxides of K2NiF4 structure; J. Solid State Chem., 72, 14 (1988). 103. N. R. Jagannathanand C. N. R. Rao. A CPMAS 13C NMR study of the phase transitions of Alkane Dicarboxylic acids; Chem. Phys. Lett., 140,46 (1987). 104. E. V. Sampathkumaran, R. Vijayaraghavan, P. Sen, and C. N. R. Rao. Ce core-level spectroscopy of CeX2Si2 ( x = Fe, Co, Ni or Cu); Solid State Commun., 63, 347 (1987). 105. C. N. R. Rao. Electron Energy Loss Spectroscopy: An Old Technique Rediscovered; Proc. Indian Natl. Sci. Acad., 53A, l(1987). 106. T. Somasundaram, P. Ganguly, and C. N. R. Rao. Determination of Acidities of Zeolites by Photoacoustic Spectroscopy; Zeolites, 7,404 (1987). 107. C. N. R. Rao and S. Yashonath. Computer Simulation of Solid State Transformations; J. Solid Chem. 68, 193 (1987). 108. M. C. Durrant, M. S. Hegde, and C. N. R. Rao. Electronic structures of H20.BF3 and related n-v Addition compounds: A combined EELS-UPS study in vapor phase; J. Chem. Phys., 85, 6356 (1986). 109. P. V. Kamath, M. S. Hegde, and C. N. R. Rao. A novel investigationof vapour-phase charge-transfer complexes of halogens with n-donors by electron energy loss spectroscopy; J. Phys. Chem., 90,1990 (1986). 110. C. N. R. Rao, M. S. Hegde, and P. V. Kamath. A study of electron donor-acceptor interaction in vapour phase by EELS and UPS; J. Mol. Struct., 135,409 (1986). 1 1 1. H. Jhans, J. M. Honig, and C. N. R. Rao. Optical properties of reduced LiNbO3; J. Phys. C: Solid State, 19, 3649 (1986). 112. J. Chandrasekhar and C. N. R. Rao. Computer Simulation of Quenched Liquids; The Glassy State of water; Chem. Phys. Lett., 131,267 (1986). 113. C. N. R. Rao, K. J. Rao, and J. Gopalakrishnan. Physical Chemistry of Solids; Annual Reports (Phys. Chem.); Royal Society of Chemistry: London, 1986. 114. S. Yashonath and C. N. R. Rao. Structural changes accompanyingthe formation of Isopentane glass;J. Phys. Chem., 90,2581 (1986). 115. S. Yashonath and C. N. R. Rao. An investigation of Solid Adamantane by an Isothermal Isobaric ensemble Monte Carlo Simulation; J. Phys. Chem., 90,2552 (1986). 116. T. Somasundaram, P. Ganguly, and C. N. R. Rao. A photoacoustic Investigation of Phase Transitions in Solids; J. Phys. C: Solid State, 19,2137 (1986). 117. C . N. R. Rao and P. Ganguly. A new criterion for the Metallicity of Elements; Solid State Commun. 57, 5 (1986). 118. S. R. Elliott, C. N. R. Rao, and J. M. Thomas. Chemistry of Noncrystalline state; J. Angew. Chem., Int. Ed. Engl., 25, 31 (1986). 119. K. Prabakaran, P. Sen, and C. N. R. Rao. Studies of molecular oxygen adsorbed on Cu surfaces; Surf. Sci., 177 L971.
120. G. Ranga Rao and C. N. R. Rao. Nitrogen adsorbed on clean and promoted nickel surfaces; Surf. Sci., 176,L835 (1986). 121. K. Prabhakaran, M. S. Hegde, and P. V. Kamath. Precursor species of carbon monoxide before its dissociation on Alpromoted Ni and Cu surfaces; Chem. Phys. Lett., 129, 130 (1986). 22. P. Sen and C. N. R. Rao. An EELS study of methanol, formaldehyde and formic acid adsorbed on clean and oxygen-covered (0001) Zn surfaces; Surf. Sci., 172,269 (1986). 23. M. K. Rajumon, M. S.Hegde, and C. N. R. Rao. Electronic structure and oxidation of AI-modifiedNi and Cu surfaces; Solid State Commun., 60,267 (1986). 24. K. Prabhakaran, P. Sen, and C. N. R. Rao. Hydroxylation of oxygen-covered Cu( 110) an Zn(0001) surface by interaction with CH30H, (CH3)2NH, HzS, HCl andother proton donor molecules; Surf. Sci., 169, L301 (1986). 125. M. S. Hegde, M. K. Rajumon, and C. N. R. Rao. Simulation of supported metal catalysts: Adsorption of CO on Ni/ A1203prepared in-situ in the electron spectrometer; J. Chem. SOC.,Chem. Commun., 323 (1986). 126. G. Sankar, S. Vasudevan, and C. N. R. Rao. Analysis of the EXAFS data of multiphasic catalysts; Chem. Phys. Lett., 127,620 (1986). 127. G. Sankar, S. Vasudevan, and C. N. R. Rao. An EXAFS investigationof Cu-ZnO methanol synthesis catalysts; J. Chem. Phys., 85,2291 (1986). 128. G. Sankar, S. Vasudevan, and C. N. R. Rao. EXAFS studies of bimetallic Cu-Ni/y-A1203 catalysts; J. Phys. Chem. 90,5325 (1986). 129. C. N. R. Rao. Studies of solids and surfaces by Auger Electron Spectroscopy; Phil. Trans. R . SOC.London, 317A,37 (1986). 130. M. M. Sczesniak, H. Ratajczak, W. J. Orville-Thomas, and C. N. R. Rao. Theoretical studies of lithium bonding in lithium chloride-aliphatic amine complexes; Chem. Phys., 94,55 (1985). 13 1 . S. Usha, R. Srinivasan, and C. N. R. Rao. A high pressure magnetic susceptibility study of spin-state transitions in Fe(I1) complexes; Chem. Phys., 100,447 (1985). 132. C. N. R. Raoand P. Ganguly. Composition-controlledmetalinsulator transition in transition metal oxides in Localizaton and Metal-Insulator Transitions; D. Adler and H. Fritszche, Eds.; Plenum Press: New York, 1985. 133. P. Sen and C. N. R. Rao. Metal Auger intensity ratios as a probe for charge-transer effects in Aluminium-covered metal surfaces; Solid State Commun., 54, 145 (1985). 134. S. Yashonathand C. N. R. Rao. A Monte Carlo Simulation of the plastic to crystal transition in Carbon tetrachloride; Chem. Phys. Lett., 199,22 (1985). 135. S.Yashonath and C. N. R. Rao. A Monte Carlo study of Isopentane glass; Proc. R . SOC.London, A400,61 (1 985). 136. C. N. R. Rao. Phase transitions in spin cross-over systems; Int. Rev. Phys. Chem., 4, 19 (1985). 137. C. N. R. Rao and J. M. Thomas. Intergrowth structures: The Chemistry of the solid-solid Interface; Acc. Chem. Res., 18, 113 (1985). 138. K. Prabhakaran and C. N. R. Rao. Interaction of carbon monoxide with surfaces of metglasses; Surf. Sci., 163, L771 (1985). 139. C. N. R. Rao, P. V. Kamath, K. Prabhakaran, and M. S. Hegde. Adsorption of carbon monoxide on the surfaces of polycrystalline transition metals and alloys; Can. J. Chem., 63, 1780 (1985). 140. P. Sen and C. N. R. Rao. Interaction of oxygen with the Zn (0001) surface;SolidState Commun., 54,309 (1985).
9092 The Journal of Physical Chemistry, Vol. 98, No. 37, 1994 141. S. Yashonath and C. N. R. Rao. A Monte Carlo Study of Crystal Structure Transformations; Mol. Phys., 54,245 (1985). 142. C. N. R. Rao, J. M. Thomas, B. G. Williams, and T. G. Sparrow. Determination of the number of d-electron states in transition metal compounds; J. Phys. Chem. 88,5769 (1984). 143. T. G. Sparrow, B. G. Williams, C. N. R. Rao, and J. M. Thomas; L3/L2 white-line intensity ratios in Electron Energy Loss Spectra of Transition metal oxides; Chem. Phys. Lett., 108, 547 (1984). 144. C. R. Theocharis, W. Jones, and C. N. R. Rao. An unusual photoinduced conformational polymorphism: A crystallographicstudy of bis(pmethoxy)-trans-stilbene; J. Chem. SOC.,Chem. Commun., 1291 (1984). 145. A. Ramanan, J. Gopalakrishnan, M. K. Uppal, D. A. Jefferson, and C. N . R. Rao. Bismuth-Tungsten oxide bronzes: A study of intergrowth phases and related aspects; Proc. R . SOC.London, A395, 127 (1984). 146. N. Y. Vasanthacharya, P. Ganguly, J. B. Goodenough, and C. N. R. Rao. Valence states and magnetic properties of LaNil,Mn,O3; J. Phys. C: SolidState, 17,2745 (1984). 147. S. Ganguly, R. Parthasarathy, K. J. Rao, and C. N. R. Rao. Analysis of Raman bandwidths and shapes of glasses through their glass transition temperatures; J. Chem.SOC., Faraday Trans. 2, 80, 1395 (1984). 148. R. Parthasarathy, K. J. Rao, and C. N. R. Rao. Dielectric and ESR spectroscopic studies of glassy states of organic compounds; J. Phys. Chem. 88, 49 (1984). 149. J. de Villepin, M.-H. Limage, A. Novak, N. Toupry, M. Le Postollec, H. Poulet, S. Ganguly, and C. N. R. Rao. A Raman study of the high-temperature phase transition of Malonic acid; J. Raman Spectrosc., 15, 41 (1984). 150. P. Ganguly, and C. N. R. Rao. Crystal chemistry and Magnetic properties of layered oxides possessing the KzNiF4 and related structures; J. Solid State Chem. 53, 193 (1984). 151. C. N. R. Rao. Phase transitions and the chemistry of solids; Acc. Chem. Res., 17, 83 (1984). 152. P. V. Kamath, K. Prabhakaran, and C. N. R. Rao. Effect of chlorine on the adsorption of oxygen on Cu and Ag surfaces; Surf.Sci., 146, L551 (1984). 153. P. V. Kamath and C. N. R. Rao. Electron spectroscopic studies of oxygen and carbon dioxide adsorbed on metal surfaces; J. Phys. Chem., 88, 464 (1984). 154. P. Sen, D. D. Sarma, R. C. Budhani, K. L. Chopra, and C. N. R. Rao. An electron spectroscopic study of the surface oxidation of glassy and crystalline Cu-Zr alloys; J. Phys. F, 14, 565 (1984). 155. Ch. Pulla Rao, A. M. K. Rao, and C. N. R. Rao. Crystal and molecular structures of alkali and alkaline earth metal complexes of N,N-Dimethylformamide; Inorg. Chem., 23, 289 (1984). 156. Ch. Pulla Rao, P. Balaram, and C. N. R. Rao. 13C NMR studies of conformational changes in protine oligomers brought about by Li and Ca salts; Znt. J. Biol. Macromolecules, 5, 289 (1983). 157. Ch. Pulla Rao, P. Balaram, and C. N. R. Rao. An infrared spectroscopic study of C7 intramolecular hydrogen bonds in peptides; Biopolymers, 22, 2091 (1983). 158. S . Yashonath and C. N. R. Rao. Plastic andglassy crystalline states of methane: A Monto Carlo Simulation study; Chem. Phys. Lett., 101, 524 (1983). 159. R. Parthasarathy, K. J. Rao, and C. N. R. Rao. The glass transition: Salient facts and models; Chem. SOC.Rev., 12, 361 (1983).
160. G. Sankar, P. R. Sarode, and C. N. R. Rao. A XANES study of mixed valent transition metal oxides and rare earth alloys; Chem. Phys., 76, 435 (1983). 161. S. Yashonath, P. Sen, M. S. Hegde, and C. N. R. Rao. Metal Auger intensity ratios in transition metals and their compounds; J. Chem. SOC.,Faraday Trans. I , 79,1229 (1983). 162. P. V. Kamath, D. D. Sarma, and C. N. R. Rao. Chargetransfer satellites next to ligand levels in the X-ray photoelectron spectra of metal chlorides and sulphides; Chem. Phys. Lett., 101, 179 (1983). 163. M. K. Rao, U. C. Singh, and C. N. R. Rao. Interaction of tocopherolwith DPPH: A means todetermine the polarity of the environment of tocopherol and its binding to lipids; Biochim. Biophys. Acta, 711, 134 (1982). 164. D. D. Sarma, P. V. Kamath, and C. N. R. Rao. Satellites in the X-ray photoelectron spectra of transition metal compounds; Chem. Phys., 73, 71 (1982). 165. C. N. R. Rao and D. D. Sarma. Study of electron states of solids by techniques of electron spectroscopy; J. Solid State Chem., 45, 14 (1982). 166. M. Bose, A. Ghoshray, A. Basu, and C. N. R. Rao. Spin state equilibria in the LaCo03 system by S9C0 NMR; Phys. Rev., B26, 4871 (1982). 167. U. C. Singh, D. D. Sarma, and C. N. R. Rao. Configuration mixing in the s-hole states of metal ions; Chem. Phys. Lett., 85, 278 (1982). 168. R. Parthasarathy, K. J. Rao, and C. N. R. Rao. EXAFS studies of Arsenic chalcogenideglasses; J. Phys. C: Solid Stare, 15, 3649 (1982). 169. R.Parthasarathy, K. J. Rao, and C. N. R.Rao. ESR studies of Inorganic glassesthrough their glass transitions; Chem. Phys., 68, 383 (1982). 170. S. Yashonath, B. Krishnamurthy, S. Ramasesha, and C. N. R. Rao. Monte Carlo simulation of micromagnets; Z . Phys., B46, 341 (1982). 171. C. N. R. Rao and D. D. Sarma. Interatomic Auger transitions in transition metal oxides; Phys. Rev., B25, 2927 (1982). 172. P. V. Kamath, S. Yashonath, A. Srinivasan, and C. N. R. Rao. Study of adsorbed molecules by Auger spectroscopy; Appl. Surf. Sci., 10, 559 (1982). 173. C. N. R. Rao,P. V. Kamath,andS. Yashonath. Molecularly adsorbed oxygen on metals; electron spectroscopicstudies; Chem. Phys. Lett., 88, 13 (1982). 174. P. Sen, M. S. Hegde, and C. N. R. Rao. Surface oxidation of cadmium, Indium, Tin and Antimony by photoelectron and Auger spectroscopy; Appl. Surf.Sci., 10,63 (1982). 175. K. Jagannathan, P. Ganguly, and C. N. R. Rao. Study of surface acidity of oxide catalysts by photoacoustic spectroscopy; J. Catal., 75, 262 (1982). 176. Ch. Pulla Rao, R. Shyamala,C. N. R. Rao, and P. Balaram. Hydrophobic Channels in Crystals of a-aminoisobutyric Acid Pentapeptide; Biochem. Biophys. Res. Commun., 103, 898 (1981). 177. P. Chakrabarti, K. Venkatesan, U. C. Singh, and C. N. R. Rao. Systematics in Bond Distances of Peptides; Biochim. Biophys. Acta. 670, 134 (1981). 178. P. Chakrabarti,K. Venkatesan, and C. N. R. Rao. Structure and bonding in N-Methylacetamide Complex Alkali and Alkaline Earth Metals; Proc. R . SOC.London, A375, 127 (1981). 179. P. K. Basu, U. Chandra Singh, K. N. Tantry, V. Ramamurthy, and C. N. R. Rao. Non-bonded interactions in 2,2,4,4-Tetramrthhyl- 1,3-~yclobutaneditioneand 2,2,4,4Tetramethyl-l-3-thio-l,3-Cyclobutanedione; J. Mol. Struct. (THEOCHEM)., 1, 237 (1981).
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180. C. N. R. Rao, S. Ganguly, H. R. Swamy, and I. A. Oxton. Infrared Studies of Phase Transitions in Bis (Alkylammonium)tetrahalometallates (11) and Alkylammonium halides. J. Chem.Soc.,Faraday Trans. 2,77,1825 (1981). 18 1. R. Parthasarathy, K. J. Rao, and C. N. R. Rao. ESR Studies of Organic Glasses; J. Phys. Chem., 85, 3085 (1981). 182. C. N. R. Rao, D. D. Sarma, P. R. Sarode,R. Vijayaraghavan, S. K. Dhar, and S. K. Malik. XPS and X-ray Absorption Edge studies of the Surface and Bulk Valence States of Ce in CeCoz; J. Phys. C, 14, L451 (1981). 183. S. Ganguly,J. R. Fernandes, and C. N. R. Rao. Calorimetric, Infrared and ESR Studies of Plastically Crystalline State of Organic Compounds; Adv. Mol. Relax. Interact. Processes, 20, 149 (1981). 184. A. K. Shukla, H. N. Vasan, and C. N. R. Rao. An in-situ Single Crystal Study of the Defect Chemistry and Transport Propertiesof Silver Selenide, Agz+ae, by Solid State ElectrochemicalTechniques; Proc. R . SOC.London, A376, 619 (1981). 185. K. Jagannathan, A. Srinivasan, and C. N. R. Rao. An XPS Study of the Surface Oxidation State of Metals in Some Oxide Catalysts; J. Catal., 69, 418 (1981). 186. D. D. Sarma, M. S. Hegde, and C. N. R. Rao. Study of Surface Oxidation of Rare-Earth Metals by Photoelectron Spectroscopy; J. Chem.SOC.,Faraday Trans.2,77,1509 (1981). 187. C. N. R. Rao, B. S. Sudhindra, W. J. Orville-Thomas,and H. Ratajczak. Semi-empirical Quantum mechanical calculations on Molecular Interactions in Molecular Interactions; John Wiley: New York, 1980; Vol. 1. 188. J. Mahanty and C. N. R. Rao. Dispersion energy contribution to Solute-Solvent Interaction; Z . Naturforsch., 35, 1424 (1980). 189. Ch. Pulla Rao, R. Nagaraj, C. N. R. Rao, and P. Balaram. Infrared Studies of the Conformation of Synthetic Alamethicin Fragments in Model Peptides containing a-aminoisobutyric Acid; Biochemistry, 19, 425 (1 980). 190. Ch. Pulla Rao, P. Balaram, and C. N. R. Rao. 13CNMR Study of and the Binding of Alkali and Alkaline Earth Ions to Amides; J. Chem. SOC.,Faraday Trans. 1 , 76, 1008 (1980). 191. C. N. R. Rao, D. D. Sarma, P. R. Sarode, E. V. Sampathkumar, L. C. Gupta, and R. Vijayaraghavan, Valence Fluctuation in Yb Intermetallics by X-ray Photoemission and X-ray absorption Spectroscopy;Chem. Phys. Lett., 76, 413 (1980). 192. A. Srinivasan, M. S. Hegde, and C. N. R. Rao. Interaction of Carbon Monoxide with Transition Metal Surfaces; Surf. Sci., 99, 309 (1980). 193. D. D. Sarma, M. S. Hegde, and C. N. R. Rao. An Auger Study of the Surface Oxidation of Zinc; Chem. Phys. Lett., 74, 443 (1980). 194. C. N. R. Rao, D. D. Sarma, and M. S. Hegde. A Novel Approach to the study of surface oxidation states and oxidation of transition metals by Auger Electron Spectroscopy; Proc. R. SOC.London A , 370,269 (1980). 195. D. D. Sarma and C. N. R. Rao. XPS Studies of Second and Third Transition Metal Oxides including rare earths; J . Electron Spectrosc. Relat. Phenom., 20, 25 (1980). 196. M. K. Uppal, S. Ramasesha, and C. N. R. Rao. Computer Simulation of Polytypes; Acta Crystallogr., A36, 356 (1980). 197. W. H. Madhusudan, K. Jagannathan, P. Ganguly, and C. N. R. Rao. A Magnetic Susceptibilitystudy of spin-state transitions in Rare Earth Trioxocobaltates; J. Chem.SOC., Dalton Trans., 1397 (1980).
198. C. N. R. Rao, P. K. Basu, and M. S. Hegde. Systematic Organic UV Photoelectron Spectroscopy;Appl. Spectrosc. Rev., 15, 1 (1979). 199. C. N. R. Rao, U. P. Agarwal, Ch. Pulla Rao, and J. R. Fernandes. Infrared Spectroscopic Study of Methanol, t-butanol, formamide and their Electrolyte Solutions;J. Phys. Chem., 83, 722 (1979). 200. S. Ramasesha, T. V. Rarnakrishnan, and C. N. R. Rao. Models for Spin-State Transitions in Solids; J. Phys. C Solid State, 12, 1307 (1979). 201. P. R. Sarode, S. Ramasesha, W. H. Madhusudan, and C. N. R. Rao. Relation Between Effective Atomic Charge and Chemical Shifts ia X-ray Absorption Spectra of Transition Metal Compounds; J. Phys. C Solid State, 12, 2439 (1979). 202. P. R. Sarode, K. J. Rao, M. S. Hegde, and C. N. R. Rao. Study of Asz(Se,Te)3 Glasses by X-ray Absorption and PhotoelectronSpectroscopy;J. Phys. C Solidstate, 12, 41 199 (1979). 203. J. Gopalakrishnan, T. Murugesan, M. S. Hegde, and C. N. R. Rao. Study of transition Metal Sulphides by Photoelectron Sepctroscopy;J. Phys. C Solid State, 12,5255 (1979). 204. S. Vasudevan, A. M. Shaik, and C. N. R. Rao. Jahn-Teller Effect Induced PhaseTransitions in CsCuC13;Phys. Lett., 70A, 44 (1979). 205. D. Bahadur, S. Kollali, C. N. R. Rao, M. J. Patni, and C. M. Srivastava. Ferromagnetic Resonance in Srz+ Doped Rare Earth Cobaltites; J. Phys. Chem. Solids, 40, 98 1 (1979). 206. V. Joshi, Om Parkash,G. N. Rao, and C. N. R. Rao. Electron Hopping in Eul-$r,Fe03 and Ndl-$r,CoO3, J. Chem. SOC.,Faraday Trans. 2 75, 923 (1979). 207. S. Vasudevan, H. N. Vasan, and C. N. R. Rao. PES Study of Spin-state Transitions in d6 Transition Metal Complexes and Oxides; Chem. Phys. Lett., 65, 444 (1979). 208. C. N. R. Rao, D. D. Sarma, S. Vasudevan,and M.S. Hegde. Study of Transition Metal Oxides by Photoelectron Spectroscopy;Proc. R. SOC.London, A367,239 (1979). 209. M. K. Uppal, C. N. R. Rao, and M. J. L. Sangster. Shell Model Calculation of Defect Energies in Alkali halides Employing Crystal-Independent Interionic Potential parameters; Philos. Mag., 38, 341 (1978). 2 10. K. G. Rao, E. D. Becker, and C. N. R. Rao. Effect of Lithium Ion on the Torsional Barrier in Amides; J. Chem. SOC., Chem. Commun., 350 (1977). 21 1 . C. N. R. Rao, U. P. Agarwal, and K. G. Rao. Spectroscopic Studies of Ion Solvation; Faraday Discuss., 64, 160 (1977). 212. E. D. Becker, E. E. Tucker, and C. N. R. Rao. NMR and IR Studies of Hydrogen Bonding in Hindered Alcohols: An Instance of a True Hydrogen Bonded Dimer in Alcohols; J. Chem. SOC.,Faraday Trans. 2, 73, 438 (1977). 213. U. P. Agarwal, H. Jagannath, D. R. Rao, and C. N. R. Rao. A Pulsed Nitrogen Laser Study of the Dynamical Behaviour of Exciplexes; J. Chem. SOC.,Faraday Trans. 2, 73, 1020 (1977). 214. S. Ramasesha and C. N. R. Rao. Monte Carlo Simulation of Polytypes; Philos. Mag., 36, 827 (1977). 215. C. N. R. Rao and Om Parkash. Anderson Transitions in Lnl-$r,CoO3; Philos. Mag., 35, 1 1 1 1 (1977). 21 6. J. L. Hutchison, J. S. Anderson, and C. N. R. Rao. Electron Microscopy of Ferroelectric Bismuth Oxides with Perovskite layers. Proc. R. SOC.London, A355,301 (1976). 217. M. M. Szczesniak, H. Ratajczak, U. P. Agarwal, and C. N. R. Rao. Studies of the Lithium Bond; Chem. Phys. Lett., 44, 465 (1976).
9094 The Journal of Physical Chemistry, Vol. 98, No. 37, 1994 218. H. Ratajczak, W. J. Orville-Thomas, and C. N. R. Rao. Charge Transfer Theory of the Hydrogen Bond; Chem. Phys., 17, 197 (1976). 219. C. N. R. Rao,S. Singh,andV.Senthilnathan. Spectroscopic Studies of SoluteSolvent Interactions; Chem.SOC.Rev., 5 , 297 (1 976). 220. R. Egdell, J. C. Green, and C. N. R. Rao. He-I Photoelectron Spectra of C-Nitroso Compounds;J. Chem.Soc.,Faraday Trans. 2, 72, 988 (1976). 221. C. N. R. Rao,P. L. Gai, and S. Ramasesha. DiffuseElectron Scattering and Vacancy Ordering in VO: Possible Role of Charge Density Waves; Philos. Mag., 33,387 (1976). 222. A. K. Shukla, J. C. Ahluwalia, and C. N. R. Rao. Effect of Structure on Heats of Formation of Solid Solutions of CsCl with other Alkali Halides; J. Chem. SOC.,Faraday Trans. 1, 72, 1288 (1976). 223. V. G. Jadhao, R. M. Singru, D. Bahadur, and C. N. R. Rao. lslEu and 57C0Miissbauer Studies on EuCo03; J . Phys. Chem. Solids, 37, 1 1 3 (1976). 224. R. Egdell, J. C. Green, and C. N. R. Rao. Photoelectron Spectra of Substituted Benzenes; Chem. Phys. Lett., 33, 600 (1975). 225. C. N. R. Rao, K. G. Rao, and N. V. R. Reddy. Spectroscopic Studies of Ion Solvation: Interaction of Alkali and Alkaline Earth Ions and Protons with Electron Donors; J. Am. Chem. SOC.,97, 2918 (1975). 226. C. N. R. Rao. Effect of Deuteration on Hydrogen Bonds; J. Chem. SOC.,Faraday Trans. 1, 71, 980 (1975). 227. C. N. R. Rao, P. C. Dwivedi, and H. Ratajczak. Relation Between OH Stretching Frequency and Hydrogen Bond Energy: A Reexamination of the Badger-Bauer Rule; J . Chem. SOC.,Faraday Trans. 2,71, 955 (1975). 228. C. N. R. Rao and N. F. Mott. Hoping Conduction in Lal-,SrXCoO3 and Nd&r,Co03; Philos. Mag.,32,1277 (1975). 229. C. N. R. Rao and K. P. R. Pisharody. Transition Metal Sulfides; Prog. Solid State Chem. 10, 207 (1975). 230. P. L. Gai, J. S. Anderson, and C. N. R. Rao. Direct Lattice Imaging of Silicon Carbide; J . Phys. D, 8, L157 (1975). 231. J. L. Hutchison, J. S. Anderson, and C. N. R. Rao. Lattice Images of Dislocations in Ferroelectric BazBidTi5Olg; Nature (London), 255, 541 (1975). 232. S. Ramdas and C. N. R. Rao. Defect Interactions in Alkali Halides; Chem. Phys. Lett., 31, 37 (1975). 233. V. G. Bhide, D. S. Rajoria, V. G. Jadhao, G. Rama Rao, and C. N. R. Rao. Itinerant Electron Ferromagnetism in Lal,Sr,Co03; Phys. Rev., 12B, 2832 (1975). 234. V. G. Jadhao, G. Rama Rao, D. Bahadur, R. M. Singru, and C. N. R. Rao. Effect of Rare Earth Ion on the SpinState Equilibria in Perovskite Rare earth Cobaltates; J. Chem. SOC.,Faraday Trans. 2, 71, 1885 (1975). 235. H. S. Randhawa,N. V. R. Reddy, andC. N. R. Rao. Normal vibrations of cyclic tetraglycine; Biopolymers, 13, 2565 (1974). 236. V. V. Bhujle, U. P. Wild, and C. N. R. Rao. The vapour phase electronic absorption spectrum of nitrosobenzene; J. Chem. SOC.,Faraday Trans. 2, 70, 1761 (1974). 237. H. S. Randhawa and C. N. R. Rao. Hydrogen bonding, tautomerism and normal vibrations of thiol acids; J. Mol. Struct., 21, 123 (1974). 238. D. S. Rajoria, V. G. Bhide, G. Rama Rao, and C. N. R. Rao. Spin State Equilibria and Localized versus Itinerant Electron Behaviour in Neodymium and Gadolonium Cobaltates; J. Chem. SOC.,Faraday Trans. 2, 70, 512 (1974). 239. C. N. R. Rao. Alkali and alkaline-earth ion vibrations in solvent cages, coordination compounds,glassesand related systems; J . Mol. Struct., 19, 493 (1973).
240. C. N. R. Rao. Conformational studies of amides and related systems. In Conformation of biological molecules and polymers (Proceedings of the International Symposium, Jerusalem, 1972); Academic Press: New York, 1973. 241. A. Gupta and C. N. R. Rao. CNDO/2 studies on ion solvation; J. Phys. Chem., 77, 2889 (1973). 242. C. N. R. Rao and P. C. Dwivedi. Excited state dipole moments of electron donor-acceptedcomplexes;J. Chem. Phys., 59, 1555 (1973). 243. V. G. Bhide, D. S. Rajaoria, G. Rama Rao, and C. N. R. Rao. Spin State Equilibria in Holmium Cobaltate; Phys. Rev., 88, 5028 (1973). 244. S. Ramdas, A. K. Shukla, and C. N. R. Rao. Mechanisms of Ion Movement in Alkali Halides; Phys. Rev., 88,2975 (1973). 245. A. K. Shukla, S. Ramdas, and C. N. R. Rao. Intrinsic and extrinsic Defect Pairs in Cesium Halides; J. Chem. SOC., Faraday Trans. 2, 69, 207 (1973). 246. C. N. R. Rao and P. C. Dwivedi. Role of electron donoracceptor complex in chemical reactions: spectroscopic studies; J. Chem. SOC.,Perkin Trans. 2, 238 (1972). 247. C. N. R. Rao. Theory of hydrogen bonding in water, in Water-a Treatise; F. Franks, Ed.; Plenum Press: New York, 1972. 248. S. Ramdas, A. K. Shukla, and C. N. R. Rao. Association Energies of Extrinsic and Intrinsic Defect Pairs in KC1; Chem. Phys. Lett., 16, 14 (1972). 249. V. G. Bhide, D. S. Rajoria, Y. S. Reddy, G. Rama Rao, G. V. Subba Rao, and C. N. R. Rao. Localized-Itinerant Electron Transitions in Rare Earth Cobaltates;Phys. Rev. Lett., 28, 21133 (1972). 250. K. P. Singh, R. M. Singh, and C. N. R. Rao. Positron Lifetimes and Phase Transitions in Solids; J. Phys. C, 5, 1067 (1972). 251. G. V. Subba Rao, B. M. Wanklyn, and C. N. R. Rao. Electrical Transport in Rare earth Perovskites: Rare Earth Orthochromites, -Manganites and -Ferrites; J. Phys. Chem. Solids, 32, 345 (1971). 252. C. N. R. Rao, A. S. N. Murthy, K. G. Rao, and D. Balasubramanian. Spectroscopic and theoretical studies of the configurationsof secondaryamides and thioamides; J. Chem. SOC.London A , 3077 (1971). 253. G. C. Chaturvedi and C. N. R. Rao. Normal vibrations of electronically excited states of HCN and C2H2: Spectrochim. Acta, 27A, 2097 (1971). 254. A. Goel and C. N. R. Rao. Hydrogen bonds formed by CH groups; Trans. Faraday SOC.,67, 2828 (1971). 255. C. N. R. Rao and A. S. N. Murthy. Hydrogen bonding in electronically excited states of molecules; Theor. Chim. Acta, 22, 392 (1971). 256. V. Kalyanaraman, M. V. George, and C. N. R. Rao. Electronic spectra of the radical anions of pyridine derivatives; J. Chem. SOC.London, B, 2406 (1971). 257. A. S. N. Murthy, S. N. Bhat, and C. N. R. Rao. Molecular orbital studies of the hydrogen bond; J. Chem. SOC.A , 1251 (1970). 258. A. S. N. Murthy, K. Gurudath Rao, and C. N. R. Rao. Molecular orbital study of the configuration, protonation and hyrogen bonding of secondary amides; J. Am. Chem. SOC.,92, 3544 (1970). 259. C. N. R. Rao, S. N. Bhat, and G. C. Chaturvedi. Chargetransfer spectra of iodine complexes in vapour phase; J . Mol. Spectrosc., 33, 554 (1970). 260. M. Natarajan and C. N . R. Rao. PhaseTransitions in Silver Halides; J . Chem. SOC.,London, A, 3087 (1970).
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261. M. Natarajan, K. J. Rao, and C. N. R. Rao. Pm3m-Fm3m Transformations in Alkali Halides: Solid Solutions of CsCl with KCl, CsBr and SrC12; Trans. Faraday SOC., 65, 2497 (1970). 262. S. Ramdas, K. C. Patil, andC. N. R. Rao. Thermodynamics and Kinetics of Oxidation of Praseodymium and Terbium Sesquioxidesto Non-stoichiometricOxides; J. Chem.SOC. London, A , 64 (1970). 263. C. N. R. Rao and G. V. Subba Rao. Electrical Conduction in Metal Oxides;Phys. StatusSolidi, lA, 597-652 (1970). 264. A. S. N. Murthy, R. E. Davis, and C. N. R. Rao. Hydrogen bonding: A molecular orbital treatment of methanol and formic acid; Theor. Chim. Acta, 13, 81 (1969). 265. M. Natarajan, T. S. Sharma, J. C. Ahluwalia, and C. N. R. Rao. Thermal and Particle Size Effects in Magnesium Oxides; Trans. Faraday SOC.,65, 3088 (1969). 266. M. Natarajan, A. R. Das, and C. N. R. Rao. Particle Size Effects and Thermal Hysteresis in Phase Transformations of Solids; Trans. Faraday SOC.,65, 3081 (1969). 267. S. N. Bhat and C. N. R. Rao. Dipole moments and chargetransfer parameters of iodine complexes of oxygen and sulfur donors; J. Am. Chem. SOC.,90, 6008 (1968). 268. A. S. N. Murthy and C. N. R. Rao. Molecular orbital treatment of hydrogen bonding by EHT and CNDO Methods: Water; Chem. Phys. Lett., 2, 123 (1968). 269. C. N. R. Rao and A. S. N. Murthy, Spectroscopic studies of the hydrogen bond; Appl. Spectrosc.Rev., 2,69 (1968). 270. C. N. R. Rao, G. C. Chaturvedi, and R. K. Gosavi. Infrared spectra and configurations of alkylurea derivatives: normalvibration calculations;J. Mol. Spectrosc.,28,526 (1968). 271. C. N. R. Rao, R. E. Loehman, and J. M. Honig. Defect Chemistry and Crystallography of Solid Solutions of Titanium and Vanadium Oxides; J. Phys. Chem., 73, 1781 (1968). 272. K. J. Rao, G. V. Subba Rao, and C. N. R. Rao. Born Treatment of the Phase Transitions in Alkali Halides Employing New van der Waals Parameters; Proc. Phys. SOC.(London), Ser. 2, 1, 1134 (1968). 273. R. K. Gosavi, U. C. Agarwala, and C. N. R. Rao. Infrared spectra, normal vibrations and configurations of alkylthioureas and related ligands; J. Am. Chem. SOC.,89, 235 (1967). 274. S. Singh and C. N . R. Rao. Spectroscopic studies of selfassociation due to hydrogen bonding; J. Phys. Chem.,71, 1074 (1967). 275. S. N. Bhat and C. N. R. Rao. Charge-transfer spectra and electrical conductivity of tropylium bromide-*-Donor complexes; J. Chem. Phys., 47, 1863 (1967). 276. G. V. Chandrasekhar, P. N. Mehrotra, G. V. Subba Rao, E. C. Subbarao, and C. N. R. Rao. Semiconduction of Non-stoichiometric Rare Earth Oxides; Trans. Faraday SOC.,63, 1295 (1967). 277. K. J. Rao, G. V. Subba Rao, and C. N. R. Rao. Pm3mFm3m Transformation of CsCl and its Solid Solutions with RbCl: Born-Mayer Treatment; Trans. Faraday SOC.,63, 1013 (1967). 278. S. Singh and C. N. R. Rao. C.T.T.S. spectra of the iodine ion; Trans. Faraday SOC.,62, 3310 (1966). 279. S. N. Bhat and C. N. R. Rao. Kinetics of transformation of outer charge-transfer complexes to the inner complexes: Spectroscopic Studies; J. Am. Chem. SOC.,88, 3216 (1966). 280. K. R. Bhaskar, A. S. N. Murthy, S. N. Bhat, and C. N. R. Rao. Spectroscopic Studies of n-donor-a-acceptor systems: Carbonyl and ThiocarbonylCompounds; Trans. Faraday SOC.,62, 788 (1966).
281. K. R. Bhaskar, R. K. Gosavi, and C. N. R. Rao. Spectroscopic studies of n-donor-u-acceptor systems: Alkylthioureasand thiocarbonilides; Trans. Faraday SOC., 62, 29 (1966). 282. S. Singh, A. S. N. Murthy, and C. N. R. Rao. Spectroscopic studies of hydrogen bonding in donor-acceptor systems; Trans. Faraday SOC.,62, 1056 (1966). 283. S. Singh and C. N. R. Rao. Steric effects on hydrogen bonding; J. Am. Chem. SOC.,88, 2142 (1966). 284. C. N. R. Rao and A. S. N. Murthy. Isotope effects on the oscillator strengths of n-r* transitions of acetyldehyde and acetone; Proc. Phys. SOC.London, 87, 771 (1966). 285. C. N. R. Rao and R. Venkataraghavan. Contribution to the infrared spectra of 5-Membered N- and N,S-Heterocyclic compounds; Can. J. Chem. 42, 43 (1964). 286. C. N. R. Rao, R. Venkataraghavan, and T. R. Kasturi. Contribution to the Infrared spectra of organosulphur compounds; Can. J. Chem., 42, 36 (1964). 287. C.N. R. RaoandR. Venkataraghavan.TheC=Sstretching frequency and the NCS bands in the infrared; Spectrochim. Acta, 18, 541 (1962). 288. C. N. R. Rao and R. Venkataraghavan. Infrared spectra of substituted benzoyl chlorides and benzoyl bromides: explanation of the anomalous carbonyl band splittings; Spectrochim. Acta, 18, 273 (1962). 289. A. Balasubramanian and C. N. R. Rao. Evaluation of solutesolvent interactions from solvent Blueshifts of n-** transitionsof C=O, NO2 and N-N groups; Spectrochim. Acta, 18, 1337 (1962). 290. S. R. Yoganarasimhan and C. N. R. Rao. Mechanism of Crystal Structure Transformations: Factors Affecting the Anatase-Rutile Transformation; Trans.Faraday Soc., 58, 1579 (1962). 291. C. N. R. Rao, S. R. Yoganarashimhan, and P. A. Faeth. Studies on the BrookiteRutile Transformation; Trans. Faraday SOC.,57, 504 (1961). 292. C. N . R. Rao and R. Venkataraghavan. Correlations of Infrared Group Frequencies and Band Intensities in Organic Molecules with Substituent Constants: A statistical evaluation; Can. J. Chem., 39, 1757 (1961). 293. K. S. Pitzer, R. E. Gerkin, L. V. Gregor, and C. N. R. Rao. Transitions and thermal anomalies in silver oxide; Pure Appl. Chem., 2, 211 (1961). 294. R. L. Livingston, W. Page, and C. N. R. Rao. An Electron Diffraction Investigation of the Molecular Structure of Trichloroacetonitrile;J. Am. Chem. Soc.,82,5048 (1960). 295. R. L. Livingston and C. N. R. Rao. An Electron Diffraction Investigation of the Molecular Structure of Methyl Azide; J. Phys. Chem., 64, 756 (1960). 296. C. Lurie, R. L. Livingston, and C. N. R. Rao. Molecular Structure of Neopentane; Nature, 185, 458 (1960). 297. J. C. Davis, K. S. Pitzer, and C. N. R. Rao. N.M.R. Studies of Hydrogen Bonding in Alcohols; J. Phys. Chem., 64, 1744 (1960). 298. C. N. R. Rao and G. K. Goldman. Electrical effects on the c-0-c vibration in anisoles; Can. J. Chem.,38,17 1 (1 960). 299. C. N. R. Rao and K. S. Pitzer. Thermal Effects in Magnesium and Calcium Oxides; J. Phys. Chem., 64, 282 (1960). 300. R. L. Livingston and C. N. R. Rao. Molecular Structure of carbon suboxide; J. Am. Chem. SOC.,81,285 (1959). 301. R. L. Livingston and C. N. R. Rao. The structure of Tin Tetrachloride; J. Chem. Phys., 30, 339 (1959).
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Spectra of Organic Thiocyanates and Isothiocyanates; Spectrochim. Acfa, 13, 296 (1959). 304. C. N. R. Rao, G. K. Goldmann, and C. Lurie. Polar Effects on the Infrared and Ultraviolet Absorption Spectra of Aliphatic Ketones; J. Phys. Chem., 63, 1311 (1959). 305. R. L. Livingston,C. N. R. Rao, L. H. Kaplan, and L. Rocks. The Molecular Structure of Vinylidence Chloride by Different Methods of Electron Diffraction; J . Am. Chem. SOC.,80, 5368 (1958).
306. C. N. R. Rao. Ultraviolet absorption spectra of para and
meta-disubstituted benzenes; J. Sci. Znd. Res. (India), 17B,56 (1958). 307. A. W. Czanderna, C. N. R. Rao, and J. M. Honig. The anatase-rutile transition; Trans. Faraday Soc., 54,1069 (1958). 308. E. Lieber, C. N. R. Rao, and T. S. Chao. Kinetics of the
Isomerization of Substituted 5-Amino- 1,2,3-Triazoles;J . Am. Chem. SOC.,79,5962 (1957). 309. E. Lieber, C. N. R. Rao, and T. S. Chao. Infrared spectra of organic azides; Anal. Chem., 29, 916 (1957). 310. C. N. R. Rao. Influence of aging on the characteristics of an electrodeless discharge; Science, 124,583 (1956).
