Vibrational spectra and rotational isomerism of isopropyl methyl selenide and diisopropyl selenide.
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概要
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The infrared and Raman spectra of isopropyl methyl selenide and diisopropyl selenide were measured for the liquid and solid states. The fundamental vibrations were assigned and the rotational isomerism was studied on the basis of the spectral observations and the normal coordinate treatment. For isopropyl methyl selenide, the C<SUB>1</SUB> and C<SUB>s</SUB> forms coexisted in the liquid state and the enthalpy difference between them was obtained as <I>ΔH</I>(C<SUB>2</SUB>–<I>C</I><SUB>s</SUB>)=−0.52×0.05 kcal mol<SUP>−1</SUP>. For diisopropyl selenide, it was presumed that only the C<SUB>2</SUB> form persisted in the solid state while the C<SUB>2</SUB>, C<SUB>s</SUB>, and C<SUB>1</SUB> forms coexisted in the liquid state, the C<SUB>2</SUB> form being the most stable.
- 公益社団法人 日本化学会の論文
著者
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Ohno Keiichi
Department Of Chemistry Faculty Of Science Hiroshima University
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Murata Hiromu
Department of Chemistry, Faculty of Science, Hiroshima University
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Mitsui Akitoshi
Department of Chemistry, Faculty of Science, Hiroshima University
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