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solvation energy

The change in Gibbs energy when an ion or molecule is transferred from a vacuum (or the gas phase) to a solvent. The main contributions to the solvation energy come from:
  1. the cavitation energy of formation of the hole which preserves the dissolved species in the solvent;
  2. the orientation energy of partial orientation of the dipoles;
  3. the isotropic interaction energy of electrostatic and dispersion origin; and
  4. the anisotropic energy of specific interactions, e.g. hydrogen bonds, donor-acceptor interactions etc.
PAC, 1999, 71, 1919 (Glossary of terms used in theoretical organic chemistry) on page 1962
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
Last update: 2014-02-24; version: 2.3.3.
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