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Abstract Dimethyl sulfide (DMS) is the main organosulfur compound in the atmosphere. Oxidation by OH radicals to form the methyl thiomethyl species (MTMr) has been studied under normal atmospheric conditions… Click to show full abstract
Abstract Dimethyl sulfide (DMS) is the main organosulfur compound in the atmosphere. Oxidation by OH radicals to form the methyl thiomethyl species (MTMr) has been studied under normal atmospheric conditions and in reaction chambers at different O2 partial pressure, including complete absence of oxygen. Scarce attention has been devoted however to the possibility of further reaction of OH with MTMr. We present here a computational study using DFT, CCSD(T) and composite methods, on the properties of two stable intermediates never fully investigated before, methanesulfenyl methanol (MSMOH) and S-methyl-methanesulfenic acid (SMMSA), arising from addition of a second OH radical to MTMr.
Journal Title: Chemical Physics Letters
Year Published: 2020
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