SO2 formation and peroxy radical isomerization in the atmospheric reaction of OH radicals with dimethyl disulfide

The atmospheric reaction of OH radicals with dimethyl disulfide, CH3SSCH3, proceeds primarily via OH addition forming CH3S and CH3SOH as reactive intermediates, and to a lesser extent via H-abstraction resulting in the peroxy radical CH3SSCH2OO in the presence of O2. The latter undergoes a fast two-...

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Published in:Chemical communications (Cambridge, England) England), 2020-11, Vol.56 (88), p.13634-13637
Main Authors: Berndt, Torsten, Chen, Jing, Møller, Kristian H, Hyttinen, Noora, Prisle, Nønne L, Tilgner, Andreas, Hoffmann, Erik H, Herrmann, Hartmut, Kjaergaard, Henrik G
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Language:English
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Isomerization
Peroxy radicals
Quantum chemistry
Reaction mechanisms
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container_issue 88
container_start_page 13634
container_title Chemical communications (Cambridge, England)
container_volume 56
creator Berndt, Torsten
Chen, Jing
Møller, Kristian H
Hyttinen, Noora
Prisle, Nønne L
Tilgner, Andreas
Hoffmann, Erik H
Herrmann, Hartmut
Kjaergaard, Henrik G
description The atmospheric reaction of OH radicals with dimethyl disulfide, CH3SSCH3, proceeds primarily via OH addition forming CH3S and CH3SOH as reactive intermediates, and to a lesser extent via H-abstraction resulting in the peroxy radical CH3SSCH2OO in the presence of O2. The latter undergoes a fast two-step isomerization process leading to HOOCH2SSCHO. CH3S and CH3SOH are both converted to SO2 and CH3O2 with near unity yields under atmospheric conditions.
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source Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list)
subjects Isomerization
Peroxy radicals
Quantum chemistry
Reaction mechanisms
title SO2 formation and peroxy radical isomerization in the atmospheric reaction of OH radicals with dimethyl disulfide
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