A competitive kinetics study of the reaction of Cl with CS2 in air at 298 K

Timothy J. Wallington; Jean M. Andino; Alan R. Potts; Paul H. Wine

doi:10.1016/0009-2614(91)90018-5

A competitive kinetics study of the reaction of Cl with CS₂ in air at 298 K

Timothy J. Wallington, Jean M. Andino, Alan R. Potts, Paul H. Wine

Research output: Contribution to journal › Article

23 Scopus citations

Abstract

The relative rate technique has been used to investigate the kinetics of the reaction of Cl atoms with carbon disulfide, CS₂, at 700 Torr total pressure of air at 298 K. The decay rate of CS₂ was measured relative to CH₄, CH₃Cl and CHF₂Cl. For experiments using CH₄ and CH₃Cl references, the decay rate of CS₂ was dependent on the ratio of the concentration of the reference to that of CS₂. We ascribe this behavior to the generation of OH radicals in the system leading to complicated secondary chemistry. From experiments using CHF₂Cl we are able to assign an upper limit of 4 × 10^-15 cm³ molecule^-1 s^-1 for the overall reaction, Cl + CS₂ → products.

Original language	English (US)
Pages (from-to)	103-108
Number of pages	6
Journal	Chemical Physics Letters
Volume	176
Issue number	1
DOIs	https://doi.org/10.1016/0009-2614(91)90018-5
State	Published - Jan 4 1991
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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Wallington, T. J., Andino, J. M., Potts, A. R., & Wine, P. H. (1991). A competitive kinetics study of the reaction of Cl with CS₂ in air at 298 K. Chemical Physics Letters, 176(1), 103-108. https://doi.org/10.1016/0009-2614(91)90018-5

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abstract = "The relative rate technique has been used to investigate the kinetics of the reaction of Cl atoms with carbon disulfide, CS2, at 700 Torr total pressure of air at 298 K. The decay rate of CS2 was measured relative to CH4, CH3Cl and CHF2Cl. For experiments using CH4 and CH3Cl references, the decay rate of CS2 was dependent on the ratio of the concentration of the reference to that of CS2. We ascribe this behavior to the generation of OH radicals in the system leading to complicated secondary chemistry. From experiments using CHF2Cl we are able to assign an upper limit of 4 × 10-15 cm3 molecule-1 s-1 for the overall reaction, Cl + CS2 → products.",

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AB - The relative rate technique has been used to investigate the kinetics of the reaction of Cl atoms with carbon disulfide, CS2, at 700 Torr total pressure of air at 298 K. The decay rate of CS2 was measured relative to CH4, CH3Cl and CHF2Cl. For experiments using CH4 and CH3Cl references, the decay rate of CS2 was dependent on the ratio of the concentration of the reference to that of CS2. We ascribe this behavior to the generation of OH radicals in the system leading to complicated secondary chemistry. From experiments using CHF2Cl we are able to assign an upper limit of 4 × 10-15 cm3 molecule-1 s-1 for the overall reaction, Cl + CS2 → products.

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