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Gas phase reaction of heptafluoroisopropyl radicals with carbon tetrachloride

✍ Scribed by Cecilia M. de Vöhringer; Eduardo H. Staricco

Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
332 KB
Volume
18
Category
Article
ISSN
0538-8066

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✦ Synopsis

The reaction

(3) i-CpF, + CCli-C3F&l + CCl3 was investigated in the gas phase over the range 80-225°C using the photolysis of heptafluoroisopropyl iodide as the source of radicals. The rate constant, based on the value of 1013 36 cm3 mol log(k3/cm3 mol-' s-l) = (13.10 2 0.20) -(14000 * 280)/0 where 0 = 2.303 RT/cal mol-'. Arrhenius parameters for chlorine abstraction from CCll by CF3, C2F5, n-C3F,, and some hydrogenated radicals are compared. s for the recombination of i -C3F, radicals, is given by

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