Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science

Reactions of trifluoromethyl radicals. VI. Hydrogen abstraction from trifluoroacetic acid and trifluoroacetic (2H1)acid

NL Arthur and LF David

Australian Journal of Chemistry 34(7) 1535 - 1538
Published: 1981


The hydrogen abstraction reactions of CF3 radicals with CF3COOH and CF3COOD

CF3 + CF3COOH → CF3H + CF3COO                 (1)

CF3 + CF3COOD → CF3D + CF3COO                 (2)

have been studied in the temperature ranges 102-225°C and 153-275°C respectively. The rate constants, based on the value of 1013.36 cm3 mol-1 s-1 for the recombination of CF3 radicals, are given by (k in cm3 mol-1 s-1 and E in J mol-1):

logk1 = (10.17±0.12)-(33140±970)/19.145T                     

logk2 = (9.51±0.11)-(46090±1010)/19.145T

© CSIRO 1981

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