The vibrational spectra and rotational isomerism of methylvinylsilane and allylsilane.

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概要

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• The infrared and Raman spectra have been measured for methylvinylsilane, CH<SUB>2</SUB>=CHSiH<SUB>2</SUB>(–D<SUB>2</SUB>)CH<SUB>3</SUB>, and allylsilane, CH<SUB>2</SUB>=CHCH<SUB>2</SUB>SiH<SUB>3</SUB>(–D<SUB>3</SUB>). The fundamental vibrations have been assigned, and the normal coordinate treatment for possible molecular forms has been carried out. For methylvinylsilane, the <I>cis</I> and <I>skew</I> forms coexist in the gaseous and liquid states, while only the former persists in the solid state. In the liquid state the <I>cis</I> form is more stable by 0.66±0.05 kcal/mol than the <I>skew</I> form. For allylsilane, the form near the <I>skew</I> form predominantly exists in the gaseous, liquid, and solid states.

• 公益社団法人 日本化学会の論文

著者

• Ohno Keiichi

  Department Of Chemistry Faculty Of Science Hiroshima University

• Taga Keijiro

  Department of Chemistry, Faculty of Science, Hiroshima University

• Murata Hiromu

  Department of Chemistry, Faculty of Science, Hiroshima University

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