Abstract
From previous experimental data (A. V. Lebed, O. N. Kalugin and I. N. Vyunnik, J. Chem. Soc., FaradayTrans., 1998, 94, 2097.), the limiting conductances of Li+, Na+, K+, Rb+, Cs+, Me4N+, Et4N+, Bu4N+, F−, Cl−, Br− and BPh4− ions and the structure-dynamical parameters of ion–molecule interaction were evaluated in the framework of the model proposed by the authors. The thicknesses of the ion solvation shell (Gurney co-sphere) have also been obtained. It was shown that single-charged ions with the smallest radii (Li+, Na+, F−), moderate radii (K+, Rb+, Cs+, Cl−, Br−) and large complex ions (Me4N+, Et4N+, Bu4N+, BPh4−), have different mechanisms of influence on the solvent structure and dynamics. It is concluded that the temperature dependence of near-solvation parameters is caused by a significant change in the solvent hydrogen-bond net.
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