FTIR study of the reaction of ethyl radicals with O2 and Cl2 in air at 295 K

Timothy J. Wallington, Jean M. Andino, E. W. Kaiser, Steven M. Japar

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Using Fourier transform infrared spectroscopy, the ethene yield from the reaction of C2H5 radicals with O2 has been determined to be 1.50 ± 0.09%, 0.85 ± 0.11%, and 2H5 radicals with molecular chlorine was measured relative to that with molecular oxygen. (6) C2H5 + Cl2 → C2H5Cl + Cl (7) C2H5 + O2 → products A ratio k6/k7 = 1.99 ± 0.14 was measured at 700 torr total pressure which, together with the literature value of k7 = 4.4 × 10-12 cm3 molecule-1 s-1, yields k6 = (8.8 ± 0.6) × 10-12 cm3 molecule-1 s-1. Quoted errors represent 2σ. These results are discussed with respect to previous kinetic and mechanistic studies of C2H5 radicals.

Original languageEnglish
Pages (from-to)1113-1122
Number of pages10
JournalInternational Journal of Chemical Kinetics
Volume21
Issue number12
Publication statusPublished - Dec 1989

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Chlorine
Fourier Transform Infrared Spectroscopy
Air
Oxygen
Pressure
Molecules
Molecular oxygen
air
Fourier transform infrared spectroscopy
Kinetics
chlorine
molecules
infrared spectroscopy
kinetics
oxygen
products
ethylene

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

Cite this

FTIR study of the reaction of ethyl radicals with O2 and Cl2 in air at 295 K. / Wallington, Timothy J.; Andino, Jean M.; Kaiser, E. W.; Japar, Steven M.

In: International Journal of Chemical Kinetics, Vol. 21, No. 12, 12.1989, p. 1113-1122.

Research output: Contribution to journalArticle

Wallington, Timothy J. ; Andino, Jean M. ; Kaiser, E. W. ; Japar, Steven M. / FTIR study of the reaction of ethyl radicals with O2 and Cl2 in air at 295 K. In: International Journal of Chemical Kinetics. 1989 ; Vol. 21, No. 12. pp. 1113-1122.
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AB - Using Fourier transform infrared spectroscopy, the ethene yield from the reaction of C2H5 radicals with O2 has been determined to be 1.50 ± 0.09%, 0.85 ± 0.11%, and 2H5 radicals with molecular chlorine was measured relative to that with molecular oxygen. (6) C2H5 + Cl2 → C2H5Cl + Cl (7) C2H5 + O2 → products A ratio k6/k7 = 1.99 ± 0.14 was measured at 700 torr total pressure which, together with the literature value of k7 = 4.4 × 10-12 cm3 molecule-1 s-1, yields k6 = (8.8 ± 0.6) × 10-12 cm3 molecule-1 s-1. Quoted errors represent 2σ. These results are discussed with respect to previous kinetic and mechanistic studies of C2H5 radicals.

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