Stabilizing interactions and coordination in cationic zirconocene

(Bianchi, F.; Gallazzi, M. C.; Porri, L.; Diversi, P. J. Organomet. Chem. 1980,202,991 and was characterized by microanalytical (C, H), IR (vco), and ...
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Organometallics 1994, 13, 744

Additions and Corrections 1993, Volume 12

Lawrence P. Szajekand John R. Shapley’: Observation of Intermediates in the Protonation of (q5-CgH,)Ir(q4C8H12) with CF3C02H. Page 3772. The intermediate (Ir(714-C~H12)(~-O~CCF3))2 (2) discussed in this paper was reported previously (Bianchi, F.; Gallazzi, M. C.; Porri, L.; Diversi, P. J. Organomet. Chem. 1980,202,991 and was characterized by microanalytical (C, H), IR (vco), and ambient-temperature ‘H NMR data. Rolf Gleiter,’ Isabella Hyla-Kryspin, Shuqiang Niu, and Gerhard Erker: Stabilizing Interactions and Coordination in Cationic Zirconocene Complexes: CpzZrL+. A MO Theoretical Study Page 3831. Figure 3 and the text should reflect that the distance between the Zr atom and Ha in 6b and 7b has been calculated to be 2.996 8, for 6b and 2.917 8, for 7b. The distance between HBand Zr amounts to 2.938 8, for 6b and 2.962 8, for 7b.

Leopoldo Contreras, Angeles Monge,’ Antonio Pizzano, Caridad Ruiz, Luis SBnchez,’ and Ernest0 Carmona’: Seven-Coordinate Hydride Complexes of Molybdenum and Tungsten. Crystal and Molecular Structures of WH(Cl)(CO)2(PMe3)3. Page 4229. Reference 7 is incorrect. It should read as follows: Van der Zeijden, A. A. H.; Sontag, C.; Bosch, H. W.; Shklover, V.; Berke, H. Helu. Chim. Acta 1991, 74, 1194.

0276-7333/94/23I3-O744$04.50/ 0 0 1994 American Chemical Society