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JOURNALS // Mendeleev Communications // Archive

Mendeleev Commun., 2010 Volume 20, Issue 6, Pages 340–342 (Mi mendc3086)

This article is cited in 2 papers

Potential energy surface and rate constant of the inversion substitution reactions CH3X+O2 → CH3O2+X (X=SH, NO2)

A. S. Nizovtseva, A. V. Baklanovab

a V.V. Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russian Federation
b Department of Physics, Novosibirsk State University, Novosibirsk, Russian Federation

Abstract: The temperature dependence of the rate constant of the inversion substitution reactions CH3X+O2 → CH3O2+X (X=SH, NO2), can be expressed as k=6.8×10–12(T/1000)1.49exp(–62816 cal mol–1/RT) cm3 s–1 (X=SH) and k=6.8×10–12(T/1000)1.26××exp(–61319 cal mol–1/RT) cm3 s–1 (X=NO2), as found with the use of high-level quantum chemical methods and the transition state theory.

Keywords: inversion substitution reactions, molecular oxygen, ab initio calculations, transition state theory, rate constant.

Language: English

DOI: 10.1016/j.mencom.2010.11.013



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