Cl2 molecular elimination reaction from 1,2-dichloroethane

Document Type

Article

Publication Date

5-3-2002

Abstract

The transition state energy for Cl2 molecular elimination from 1,2-dichloroethane is computed at compostite CBS-Q (based on B3LYP/6-31++G(d) optimized structure) and G3MP2 (based on MP2/6-31++G(d) optimized structure) levels of theory. Forward rate constants are calculated as 4.25E1170.826 exp(-93.4 kcal mol -1/RT) and 7.62E1070.892 exp(-98.5 kcal mol -1/RT) s-1, respectively for these two methods. Intrinsic reaction coordinate (IRC) analysis is performed to verify the transition state structures. While the overall, elimination of Cl2 plus olefin formation has a relative low ΔHrxn; the reaction with these barriers is evaluated to be not important in thermal reactions of chlorocarbons. © 2002 Published by Elsevier Science B.V.

Identifier

0037012973 (Scopus)

Publication Title

Chemical Physics Letters

External Full Text Location

https://doi.org/10.1016/S0009-2614(02)00442-6

ISSN

00092614

First Page

65

Last Page

72

Issue

1-2

Volume

357

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