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Discharge flow-chemiluminescence study of the rate coefficients for O(3P) + CF2CCl2 and O(3P) + CF3CFCF2 reactions at 298 K

✍ Scribed by M. A. Teruel; R. A. Taccone; S. I. Lane

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
93 KB
Volume
31
Category
Article
ISSN
0538-8066

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✦ Synopsis

The kinetics of the reactions O( 3 P) ϩ CF 2 "CCl 2 and O( 3 P) ϩ CF 3 CF "CF 2 were studied at room temperature in a discharge flow tube system. The overall rate constants based on the measured afterglow reactions were (3.10 Ϯ 0.40) ϫ 10 Ϫ13 and (3.00 Ϯ 0.60) ϫ 10 Ϫ14 cm 3 molecule Ϫ1 s Ϫ1 , respectively. The experiments were carried out under pseudo-first-order conditions with [O( 3 P)] 0 Ͻ Ͻ [alkene] 0 . These results are compared with previous relative measurements using different experimental techniques. The effect of substituent atoms or groups on the overall rate constants is analyzed in comparison with other alkenes in the literature.

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