Abstract
Monte Carlo simulations of molecular configurations of aqueous solutions of spherical particles with a special potential of solute—water interaction were carried out. The influence of the particle size on the properties of hydration shells was investigated. Two regimes of hydrophobic hydration with a crossover point at 0.4 nm were found. Hydration of smaller particles causes insignificant changes in the properties of water. Particles larger than 0.4 nm break the liquid water structure. Breaking effects are more pronounced in the first hydration shell of particles. Dewetting of hard sphere surfaces predicted by the LCW phenomenological theory has peculiarities in the case of hydration of fixed-rigidity spheres.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1777–1786, September, 2008.
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Bushuev, Y.G., Davletbaeva, S.V. & Korolev, V.P. Influence of the size of fixed-rigidity spheres on the structural and energy characteristics of hydrophobic hydration. Russ Chem Bull 57, 1811–1820 (2008). https://doi.org/10.1007/s11172-008-0244-z
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DOI: https://doi.org/10.1007/s11172-008-0244-z