Rate constants for the gas‐phase reactions of O3with a series of cycloalkenes and α,β‐unsaturated ketones at 296 ± 2 K
作者:
Chipper R. Greene,
Roger Atkinson,
期刊:
International Journal of Chemical Kinetics
(WILEY Available online 1994)
卷期:
Volume 26,
issue 1
页码: 37-44
ISSN:0538-8066
年代: 1994
DOI:10.1002/kin.550260106
出版商: John Wiley&Sons, Inc.
数据来源: WILEY
摘要:
AbstractThe kinetics of the gas‐phase reactions of O3with a series of alkenes and two α,β‐unsaturated ketones have been investigated at atmospheric pressure (ca. 740 torr) of air and 296 ± 2 K, using a relative rate method in the presence of sufficient cyclohexane to scavenge OH radicals generated in these reactions. Combined with our previous relative rate measurements (Int. J. Chem. Kinet.,24,803 (1992)), the rate constants obtained relative tok(O3+ propene) = 1.00 were: 3‐penten‐2‐one, 3.62 ± 0.16; 2‐cyclohexen‐1‐one,<0.19; bicyclo[2.2.2]‐2‐octene, 7.44 ± 0.48; 1,3‐cycloheptadiene, 16.1 ± 1.1; cycloheptene, 23.7 ± 1.6; 1,3‐cyclohexadiene, 134 ± 13; bicyclo[2.2.1]‐2‐heptene, 170 ± 16; and bicyclo[2.2.1]‐2,5‐heptadiene, 390 ± 36. The resulting rate constants then lead to a self‐consistent set of room temperature data for the reactions of O3with these alkenes and α,β‐unsaturated ketones. These rate constants are compared with the literature data, and the effects of r
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