Abstract
Based on the model developed in Part I1, equilibrium and rate data have been calculated for various chemical reactions in a variety of dipolar aprotic solvents of medium to high dielectric constants. Examples include solubility determinations, complex formation equilibria, ion pair equilibria and a nucleophilic substitution reaction with changes in the standard free energies of reaction or activation between about 3 and 8 kcal/mole. Experimental data were analyzed by the method of multiple linear regression. The physical meaning of the individual constants of the regression equations are discussed. Deviations observed between calculated and experimental free energies in structured solvents like water, methanol, formamide and N-methyl-formamide are indicative of changes in solvent structure associated with the solvation process and can be interpreted in terms of the structure making or breaking properties of the solutes.
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