Assignment of fundamental vibrations of N,N'-dimethylthiourea.

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概要

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• The infrared spectra of symmetric <I>N</I>,<I>N</I>′-dimethylthiourea (s-DMTU) and its <I>N</I>-deuterated (s-DMTU-<I>d</I><SUB>2</SUB>) species have been measured. The fundamental frequencies have been assigned by comparison with the assignments in structurally related molecules and the infrared band shifts on <I>N</I>-deuteration, <I>S</I>-methylation, available Raman data and with the aid of theoretical band assignments from normal coordinate treatments for s-DMTU-<I>d</I><SUB>0</SUB> and -<I>d</I><SUB>2</SUB>. A force field is derived for s-DMTU by transferring the force constants chiefly from <I>N</I>-methylthiourea and the subsequent refinement of the force constants by a least squares procedure.

• 公益社団法人 日本化学会の論文

著者

• Sathyanarayana Dixit

  Department of Inorganic and Physical Chemistry, Indian Institute of Science

• Devi Kolar

  Department of Inorganic and Physical Chemistry, Indian Institute of Science

関連論文

• Assignment of fundamental vibrations of N,N'-dimethylthiourea.

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