The Journal of Physical Chemistry, Vol. 82, No. 10, 1978
Li-Azobenzenide I o n Pair Disproportionation
leave which made the above studies possible. References and Notes
1141
(3) E. de Boer and J. P. Colpa, J . Phys. Chem., 71, 21 (1967). (4) M. T. Jones, J . Magn. Reson., 23, 77 (1976). 15) W. D. Hobev. J . Chem. fhvs.. 43. 2187 11965). (6) R. G. Lawle;and G. K. Fraenkel; J . Chem. fhys.; 49, 1126 (1968). (7) N. 0. Lipari and G. 8. Duke, J. Chem. Phys., 63, 1784 (1975).
(1) M. T. Jones, S. Metz, and T. C. Kuechler, Mol. Phys., 33, 717 (1977). (2) E. de Boer and C. MacLean, J. Chem. Phys., 44, 1334 (1966).
Disproportionation of (Azobenzene)-•
*Li+ Ion Pairs in Dimethylformamide
Andrrej Kapturkiewicrt and Marek K. Kalinowski* Department of Chemistty, Untversity of Warsaw, 02-093 Warszawa, Poland (Received November 1. 1977)
The complex kinetics of the disproportionation of (azobenzene)-.---Li+ion pairs have been polarographically studied in dimethylformamide solutions. In the absence of metal ions azobenzene free-radical anions (A-.) are stable; the corresponding rate constant for disproportionation A-. + A-. was estimated as kl
