Vibrational Spectra and Molecular Structure of Ethyl Methyl Sulfide

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概要

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• The Raman spectra of the liquid, unannealed solid and annealed solid, and the infrared spectra of the gas, liquid, and annealed solid of ethyl methyl sulfide were measured. Normal vibrations were treated of the <I>trans</I> and <I>gauche</I> isomers. C–S stretching, CH<SUB>2</SUB> rocking and skeletal deformation vibrations were discussed in relation with molecular structures. Only the <I>gauche</I> isomer was found to exist in the annealed solid. In the liquid state, the <I>gauche</I> isomer was found to be more stable, by 0.14±0.05 kcal/mol, than the <I>trans</I> isomer. The vibrational assignment made of ethyl methyl sulfide is consistent with those of related sulfides and disulfides.

• 公益社団法人 日本化学会の論文

著者

• Miyazawa Tatsuo

  Institute for Protein Research Osaka University

• Sugeta Hiromu

  Institute for Protein Research, Osaka University

• Nogami Norimasa

  Department of Chemistry, Faculty of Science, The University of Tokyo

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