Transfer thermodynamic functions ΔGto, ΔHto and TΔSto of cis- and trans-[CoCl2(en)2]+ isomers in aqueous mixtures of methanol, tert-butyl alcohol and acetonitrile
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作者:
Vollárová, O
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Comenius Univ, Dept Phys Chem, Bratislava 84215, SlovakiaComenius Univ, Dept Phys Chem, Bratislava 84215, Slovakia
Vollárová, O
[1
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Benko, J
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Comenius Univ, Dept Phys Chem, Bratislava 84215, SlovakiaComenius Univ, Dept Phys Chem, Bratislava 84215, Slovakia
Benko, J
[1
]
机构:
[1] Comenius Univ, Dept Phys Chem, Bratislava 84215, Slovakia
The solubility, partial molar volume and standard integral molar enthalpy of solution of cis-and trans-[CoCl2(en)(2)]Cl in water, aqueous methanol, aqueous tert-butyl alcohol and aqueous acetonitrile are reported. The transfer functions DeltaG(t)(0), DeltaH(t)(0) and T DeltaS(t)(0) as well as partial molar volumes are used to obtain information on the solute-solvent interactions. Results obtained are discussed in terms of differences in the surface charge distribution in isomeric coordination species.