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An FTIR study of the mechanism for the reaction HO + CH3SCH3

✍ Scribed by H. Niki; P. D. Maker; C. M. Savage; L. P. Breitenbach

Publisher: John Wiley and Sons
Year: 1983
Tongue: English
Weight: 350 KB
Volume: 15
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550150706

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✦ Synopsis

Product studies were made using the Fourier transform infrared method in the uv (300-400-nm) photolysis of mixtures containing CH3SCH3, CZH~ONO, and NO in ppm concentrations in 700 torr of O r N p diluent. Methyl thionitrite, CH3SN0, arising from the reaction CH3S + NO, was detected as an intermediate product. In addition, the yields of the major sulfur-containing products SO2 and CH3S03H coincided with those of the oxidation of the CH3S radicals generated directly by the photodissociation of CH3SNO. The formation of CH3S in the HO-initiated oxidation of CH3SCH3 in the presence of NO suggests a reaction scheme involving the H-abstraction reaction HO + CH3SCH3 -CH3SCHz + HzO as the primary step.

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