Abstract
A detailed model of intermolecular interactions in water molecule clusters is developed that makes it possible to describe their disintegration to ions under conditions of finite temperatures by the stochastic simulation methods. In this model, the Hamiltonian in explicit form includes Coulomb, dispersion, exchange, and polarization interactions; many-particle covalent interactions and hydrogen bonds; the interaction of induced dipoles; charge transfers from ions to molecules; and the recombination of counterion charges, as well as the effect of an ion field on the unpaired interactions of molecules. The model is consistent with experimental data on the free energy and entropy of ion hydration in water vapors and the free energy of the hydration of a recombined ion pair.
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Original Russian Text © S.V. Shevkunov, 2008, published in Kolloidnyi Zhurnal, 2008, Vol. 70, No. 5, pp. 678–693.
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Shevkunov, S.V. Charge separation in water molecule clusters under thermal fluctuations: 1. Intermolecular interactions. Colloid J 70, 630–645 (2008). https://doi.org/10.1134/S1061933X08050141
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DOI: https://doi.org/10.1134/S1061933X08050141