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Gas‐phase kinetics of the reactions of O( 3 P) atoms with ( Z )‐CHClCHCl, CCl 2 CH 2 , CCl 2 CCl 2 and ( E / Z )‐CFClCHCl at 298 K
Author(s) -
Blanco María B.,
Cometto Pablo M.,
Taccone Raúl A.,
Lane Silvia I.,
Teruel Mariano A.
Publication year - 2006
Publication title -
journal of physical organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.325
H-Index - 66
eISSN - 1099-1395
pISSN - 0894-3230
DOI - 10.1002/poc.1070
Subject(s) - chemistry , reactivity (psychology) , halogen , gas phase , kinetics , reaction rate constant , radical , medicinal chemistry , chemical kinetics , analytical chemistry (journal) , alkyl , organic chemistry , medicine , alternative medicine , physics , pathology , quantum mechanics
The kinetics of the gas‐phase reactions of O( 3 P) atoms with ( Z )‐CHClCHCl, CCl 2 CH 2 , CCl 2 CCl 2 and ( E / Z )‐CFClCHCl were studied at 298 K using a discharge flow tube system. The overall rate constants based on the measured afterglow reactions were (2.0 ± 0.2) × 10 −13 , (11.3 ± 0.9) × 10 −13 , (1.9 ± 0.3) × 10 −13 , and (1.4 ± 0.3) × 10 −14 , respectively, all in units of cm 3 molecule −1 sec −1 . The experiments were carried out under pseudo‐first‐order conditions with [O( 3 P)] 0 ≪ [chloroethene]. Halogen substitution in the alkenes is discussed in terms of reactivity with O( 3 P) and its relation to the ionization potential and the reactivity with OH radicals. Copyright © 2006 John Wiley & Sons, Ltd.