(CH3)2SO-CF3CH2OH adducts in 1,2-dichloroethane calorimetric determination of formation constants and enthalpies of hydrogen-bonding adducts between dimethyl sulfoxide and 2,2,2-trifluoroethanol in 1,2-dichloroethane.

DOI
  • Suzuki Honoh
    Department of Electronic Chemistry, Tokyo Institute of Technology at Nagatsuta
  • Ishiguro Shin-ichi
    Department of Electronic Chemistry, Tokyo Institute of Technology at Nagatsuta

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説明

An on-line controlled calorimeter has been devised and used for measuring heats of adduct formation of dimethyl sulfoxide (DMSO) with 2, 2, 2-trifluoroethanol (TFE) in 1, 2-dichloroethane (DCE) at 25°C. The observed heats were well explained in terms of the formation of two adducts, (dmso) (tfe) and (dmso) (tfe)2, and their formation constants and enthalpies were simultaneously determined. For the formation of the 1:1 adduct, the formation constant was appreciably smaller and the enthalpy was less negative in DCE than in CCl4, implying that DMSO is more strongly solvated in polar DCE than in nonpolar CCl4.

収録刊行物

  • 熱測定

    熱測定 15 (4), 152-157, 1988

    日本熱測定学会

詳細情報 詳細情報について

  • CRID
    1390282680064563712
  • NII論文ID
    130003446366
  • DOI
    10.11311/jscta1974.15.152
  • COI
    1:CAS:528:DyaL1MXotlWltA%3D%3D
  • ISSN
    18841899
    03862615
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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