CORRELATION BETWEEN SOLVENT REORGANIZATION DYNAMICS AND THE KINETICS OF METALLOTROPY IN POLAR MEDIA

Authors
RAKHIMOV RR PROKOFEV AI LEBEDEV YS
Citation
Rr. Rakhimov et al., CORRELATION BETWEEN SOLVENT REORGANIZATION DYNAMICS AND THE KINETICS OF METALLOTROPY IN POLAR MEDIA, Russian chemical bulletin, 43(3), 1994, pp. 368-371
Citations number
21
Categorie Soggetti
Chemistry
Journal title
Russian chemical bulletin → ACNP
ISSN journal
10665285
Volume
43
Issue
3
Year of publication
1994
Pages
368 - 371
Database
ISI
SICI code
1066-5285(1994)43:3<368:CBSRDA>2.0.ZU;2-Y
Abstract
The kinetics of metallotropy of the 3,6-di-tert-butyl-2- (triphenylsta nnyl) oxyphenoxyl radical has been studied by ESR. The correlation bet ween chemical exchange time tau(ex), solvent polarity, and longitudina l relaxation time of the solvent corresponds to the model of a process controlled by molecular dynamics. A linear relation between tau(ex) a nd correlation time tau(c) for reorientation movements of the radical is found: tau(ex) = alpha.tau(c). The coefficient alpha depends on the dielectric properties of the solvent.