Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 838 - 845 (1980)
Update date:2022-08-17
Topics:
Maccoll, Allan
Mruzek, Margaret N.
Chlorine kinetic isotope effects in the thermolysis of 2-chloro-2-methylpropane have been measured at temperatures between 250 and 441 deg C.The isotope effects are primary and they show normal temperature dependence.They increase with increasing methyl substitution on the central carbon atom.Model calculations using the heavy atom approximation theory show satisfactory agreement with the experimental data and with the observed temperature dependence.The participation of chlorine in the activared complex is the same for primary, secondary and tertiary alkyl chlorides and involves a combination of C-Cl streching (3percent), C-C-Cl bending (2.7) and C-CH3 shortening (4percent) from the ground statue values.
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