Ion solvation and association in LiClO4 – dimethylsulfoxide system

TitleIon solvation and association in LiClO4 – dimethylsulfoxide system
Publication TypeJournal Article
Year of Publication2014
AuthorsGorobets, MI, Kirillov, SA, Gafurov, MM, Ataev, MB, Tretyakov, DO
Abbreviated Key TitleDopov. Nac. akad. nauk Ukr.
DOI10.15407/dopovidi2014.01.125
Issue1
SectionChemistry
Pagination125-129
Date Published1/2014
LanguageRussian
Abstract

Ionic equilibria in theLiClO4 – dimethylsulfoxide (DMSO) system at 90 ºC in a concentration range from 5 to 25% mole fractions of a salt have been investigated by means of Raman spectroscopy. Spectroscopic manifestations of hydrogen bonds between molecules of DMSO and ClO4 ions were detected. Concentrations of monomeric, dimeric, and solvating DMSO molecules; free solvent molecules and those included in the ClO4 ion solvation sphere; free anions, ion pairs, separated by a solvent, and contact ion pairs are identified. Conclusions have been made about the composition of all components of solutions.

Keywordsassociation, ion solvation, LiClO4 – dimethylsulfoxide
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