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

被引:0
|
作者
Vollárová, O [1 ]
Benko, J [1 ]
机构
[1] Comenius Univ, Dept Phys Chem, Bratislava 84215, Slovakia
关键词
complex ions; solvation; transfer thermodynamic functions; partial molar volumes; thermodynamics; cobalt; solubility;
D O I
10.1135/cccc20001455
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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.
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页码:1455 / 1463
页数:9
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