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Kinetics of the bromine catalyzed elimination of HCl from 1,1,1-trichloroethane

✍ Scribed by A. S. Rodgers; Paul Jerus

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 528 KB
Volume: 20
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550200706

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✦ Synopsis

The gas phase kinetics of the bromine catalyzed elimination of HC1 from 1,lJ-trichloroethane has been studied over a five fold variation of (CH,CCl,)/(Br,) and from 565 to 634 K. The most important reactions in the mechanism are found to be:

The preferred analysis of the kinetic data results in log(h,/M-' s ' 1 = 11.3 i 0.3 -(19.9 5 1.0) x 103/4.575 T. From these results one calculates the C-H bond dissociation energy in CH,CCl, to be 103.8 k 2 kcal mol-', and the heat of formation of 2,2.2-trichloroethyl to be 17.7 & 2 kcal mol-'.

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