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Secondary kinetic isotope effects: Deuterium abstraction by chlorine atoms from the CD3 group in CD3CH2Cl, CD3CHDCl, and CD3CD2Cl

โœ Scribed by Jan Niedzielski; E. Tschuikow-Roux

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
327 KB
Volume
105
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

The occurrence and magnitude of secondary kinetic isotope effects in the gas phase has been detcrmmcd for deuterium abstraction from the CD3 group in CD$ZH$l. CD$HDCI. and CD-&D&l by phorochemically generated _eroundstaxe chlorine aloms. Over the temperature range lo-94ยฐC a discernible "inverse" kinetic isotope effect is observed. Borh the prce~ponentiat factors and activation energies decrease wirh dcutcrium substitution in the vici.nJl chloromcrhyl _eoup. The opposing trends result in a net effect close to unity

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