The recently introduced compressible electrostatic continuum solvation model [J. Phys. Chem. 1996, 100, 1165 is found to accurately reproduce molecular simulation predictions [Flanagin et al. J. Phys. Chem. 1995, 99, 5196] of the solvation energies and nonstructural density distributions for the title reaction under supercritical conditions. The compressible continuum model is unique in its ability to isolate the importance of the solventsolute clustering in defining the energetics of this reaction at different thermodynamic states. The thermodynamic conditions required for application of the model are also discussed.

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