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Kinetics of the reactions of chlorine atoms with CH 3 ONO and CH 3 ONO 2
Author(s) -
Sokolov O.,
Hurley M. D.,
Ball J. C.,
Wallington T. J.,
Nelsen W.,
Barnes I.,
Becker K. H.
Publication year - 1999
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/(sici)1097-4601(1999)31:5<357::aid-kin5>3.0.co;2-6
Subject(s) - chemistry , kinetics , diluent , chlorine atom , chlorine , photodissociation , torr , nitrogen , chemical kinetics , medicinal chemistry , photochemistry , organic chemistry , thermodynamics , physics , quantum mechanics
The kinetics of the reactions of Cl atoms with CH 3 ONO and CH 3 ONO 2 have been studied using relative rate techniques. In 700 Torr of nitrogen diluent at 295 ± 2K, k (Cl + CH 3 ONO) = (2.1 ± 0.2) × 10 −12 and k (Cl + CH 3 ONO 2 ) = (2.4 ± 0.2) × 10 −13 cm 3 molecule −1 s −1 . The result for k (Cl + CH 3 ONO 2 ) is in good agreement with the literature data. The result for k (Cl + CH 3 ONO) is a factor of 4.5 lower than that reported previously. It seems likely that in the previous study most of the loss of CH 3 ONO which was attributed to reaction with Cl atoms was actually caused by photolysis leading to an overestimate of k (Cl + CH 3 ONO). © 1999 John Wiley & Sons, Inc. Int J Chem Kinet 31: 357–359, 1999