The phase diagram and electrical conductivity isotherms for the lithium tetrafluoroborate (LiBF4)–dimethylsulfoxide (DMSO) system and Raman spectra of DMSO and the LiBF4–DMSO solution were studied. Spectroscopic signatures of a H-bond between DMSO and BF4 − ions were found. The bonds of Li+ ions to the solvent were stronger than the bonds in DMSO dimers because formation of the solvate destroyed dimeric DMSO molecules. The τω values for DMSO molecules in the Li+-ion solvate shell of the LiBF4–DMSO system were similar to those for associated solvent molecules.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 81, No. 6, pp. 824–830, November–December, 2014.
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Gafurov, M.M., Kirillov, S.A., Gorobets, M.I. et al. Phase Equilibria and Ionic Solvation in the Lithium Tetrafluoroborate–Dimethylsulfoxide System. J Appl Spectrosc 81, 912–918 (2015). https://doi.org/10.1007/s10812-015-0028-9
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DOI: https://doi.org/10.1007/s10812-015-0028-9