Abstract
Conductance data are reported for Ph4AsPic, Ph4PPic, Ph4SbPic, Hex4NPic, Bu4PPic, Et4NSbCl6 in propylene carbonate at 25°C in the concentration range 1×10−4 to 15×10−4 M. The data were analyzed by the Justice modification of the Fuoss-Hsia equation and all salts studied were found to be associated and to form solvent separated ion pairs. Application of the Barthel-Bjerrum model of ion association permitted calculation of the non coulombic portion of the potentials of mean force, W±. Ionic limiting equivalent conductances of six ions were calculated using known values of R4N+, and Pic− ions. Walden products of ions in propylene carbonate were examined in the light of modern ion mobility theories, including Boyd-Zwanzig, Hubbard-Onsager, and Hubbard-Kayser models of ion solvent interactions.
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McDonagh, P.M., Reardon, J.F. II. Ionic association and mobility in propylene carbonate. J Solution Chem 19, 301–314 (1990). https://doi.org/10.1007/BF00650460
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DOI: https://doi.org/10.1007/BF00650460