Abstract
Solvation of the Tl+ ion in 0.005M solutions of water/pyridine, water/dimethyl sulfoxide, and pyridine/dimethyl sulfoxide was studied with205Tl NMR spectroscopy as a function of solvent composition and anion (NO − 3 and ClO t- 4 ). Dimethyl sulfoxide solvated the Tl+ ion more strongly than did pyridine, despite the latter's greater electron-donating ability. This was explained in terms of structural effects, which were found to be large for all three binary solvent systems. Ion pairing was evident in the DMSO/pyridine and water/pyridine solvent systems in which the pyridine mole fraction was greater than 0.8.
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Briggs, R.W., Hinton, J.F. Thallium-205 NMR spectroscopy. Solvation of the Tl(l) ion in the binary solvent systems water/pyridine, water/dimethyl sulfoxide, and pyridine/dimethyl sulfoxide. J Solution Chem 7, 1–8 (1978). https://doi.org/10.1007/BF00654213
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DOI: https://doi.org/10.1007/BF00654213