Rate constants for the gas-phase reactions of O 3 with a series of cycloalkenes at 296 ± 2 K

Roland D. Cusick, Roger Atkinson

Research output: Contribution to journalArticle

Abstract

Using a relative rate method, rate constants for the gas phase reactions of O 3 with 1- and 3-methylcyclopentene, 1-, 3-, and 4-methylcyclohexene, 1-methylcycloheptene. cis-cyclooctene, 1- and 3-methylcyclooctene, 1, 3-and 1, 5-cyclooctadiene, and 1,3,5.7-cyclooctatetraene have been measured at 296 ± 2 K and atmospheric pressure of air. The rate constants obtained (in units of 10 -18 cm 3 molecule -1 s -1 are 1-methylcyclopentene, 832 ± 24; 3-methylcyclopentene, 334 ±? 12; 1-methylcyclohexene. 146 ± 10; 3-methylcyclohexene, 55.3 ± 2.6; 4-methylcyclohexene, 73.1 ± 3.6; 1-methylcycloheptene, 930 ± 24; cis-cyclooctene, 386 ± 23; 1-methylcydooctene. 1420 ± 100; 3-methylcyclooctene, 139 ± 9; cis,cis-1,3-cyclooctadiene, 20.0 ± 1.4; 1,5-cyclooctadiene, 152 ± 10; and 1,3,5,7-cyclooctatetraene, 2.60 ± 0.19, where the indicated errors are two least-squares standard deviations and do not include the uncertainties in the rate constants for the reference alkenes (propene. 1-butene, cis-2-butene, trans-2-butene, 2-methyl-2-butene, and terpinolene). These rate data are compared with the few available literature data, and the effects of methyl substitution discussed.

Original languageEnglish (US)
Pages (from-to)183-190
Number of pages8
JournalInternational Journal of Chemical Kinetics
Volume37
Issue number3
DOIs
StatePublished - Mar 1 2005
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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