Standard Gibbs energies of transfer of halogenate and pseudohalogenate ions, halogen substituted acetates, and cycloalkyl carboxylate anions at the water\nitrobenzene interface

被引:42
|
作者
Gulaboski, R [1 ]
Riedl, K [1 ]
Scholz, F [1 ]
机构
[1] Ernst Moritz Arndt Univ Greifswald, Inst Chem & Biochem, D-17489 Greifswald, Germany
关键词
D O I
10.1039/b210356g
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The previously introduced three-phase electrode technique was used to determine the Gibbs energies of transfer of ClO3-, BrO3-, IO3-, IO4-, OCN-, SeCN-, CN-, N-3(-), halogen substituted acetate anions Z(3-n)CH(n)COO(-) (Z = F,Cl,Br,I), and cycloalkyl carboxylate anions ((CH2)(n)COO-, n = 3,...,7) at the water\nitrobenzene interface. Whereas the data for the small inorganic ions can easily be understood in terms of ion-dipole interactions, the data of the organic ions need consideration of charge delocalisation and its effect on the enthalpy and entropy of solvation.
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收藏
页码:1284 / 1289
页数:6
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