Dielectric study of aliphatic esters in cyclohexane solutions at the frequency of 100 GHz.
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概要
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The dipole relaxation mechanism of carboxylic esters has been studied through the dielectric measurements of seventeen aliphatic esters in cyclohexane solution at 25 °C. The dielectric relaxation times obtained in this experiment are compared with those obtained for a number of rigid molecules under the same conditions. This result indicates that the dipole relaxation process of these esters RC<SUP>*</SUP>OOR′ is dominated by intramolecular rotation around the C–C bonds and/or the O–C bond rather than that around the C<SUP>*</SUP>–O bond.
著者
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Minami Ryuichi
Department Of Chemistry School Of Science And Engineering Waseda University:(present Address) Depart
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Takahashi Hiroaki
Department Of Biochemistry And Molecular Biology Graduate School Of Science And Engineering Saitama
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Kano Yoshikazu
Department of Chemistry, School of Science and Engineering, Waseda University
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