Molecular Vibrations and Force Fields of Alkyl Sulfides. VI. Methyl Ethyl Sulfide and Its Deuterated Compounds, and Diethyl Sulfide

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概要

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• Deuterated methyl ethyl sulfides, CD<SUB>3</SUB>SCH<SUB>2</SUB>CH<SUB>3</SUB> and CH<SUB>3</SUB>SCD<SUB>2</SUB>CD<SUB>3</SUB>, were prepared, and their infrared spectra were recorded in the gaseous, liquid, and solid states. The normal coordinates of methyl ethyl sulfide, its deuterated analogues, and diethyl sulfide have been treated by the use of a modified Urey-Bradley potential field. The conformational analyses of these sulfides were made by the aid of the calculations. In the gaseous and liquid states, two forms (T and G) have been confirmed to exist for CH<SUB>3</SUB>SCH<SUB>2</SUB>CH<SUB>3</SUB>, and three forms (TT, TG, and GG), for CH<SUB>3</SUB>CH<SUB>2</SUB>SCH<SUB>2</SUB>CH<SUB>3</SUB>. In the solid state, CH<SUB>3</SUB>SCH<SUB>2</SUB>CH<SUB>3</SUB> or CH<SUB>3</SUB>CH<SUB>2</SUB>SCH<SUB>2</SUB>CH<SUB>3</SUB> exists in one form: T or TT. The observed infrared frequencies were compared with the calculated frequencies and were fully assigned.

• 公益社団法人 日本化学会の論文

著者

• Murata Hiromu

  Department of Chemistry, Faculty of Science, Hiroshima University

• Ohsaku Masaru

  Department of Chemistry, Faculty of Science, Hiroshima University

• Shiro Yuji

  Shinonome Branch School, Faculty of Education, Hiroshima University

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