Standard Gibbs energies of transfer of halogenate and pseudohalogenate ions, halogen substituted acetates, and cycloalkyl carboxylate anions at the water|nitrobenzene interface
- 7 February 2003
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Physical Chemistry Chemical Physics
- Vol. 5 (6) , 1284-1289
- https://doi.org/10.1039/b210356g
Abstract
The previously introduced three-phase electrode technique was used to determine the Gibbs energies of transfer of ClO3 −, BrO3 −, IO3 −, IO4 −, OCN−, SeCN−, CN−, N3 −, halogen substituted acetate anions Z3−nCHnCOO− (Z = F,Cl,Br,I), and cycloalkyl carboxylate anions ((CH2)nCOO−, 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.Keywords
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