Hydration of hydrophobic solutes treated by the fundamental measure approach

Details Hydration of hydrophobic solutes treated by the fundamental measure approach Hydration of hydrophobic solutes treated by the fundamental measure approach

2006-04-12

arxiv.org/abs/cond-mat/0604314v2

Physics

Condensed Matter

Statistical Mechanics

18 pages, 6 figures

Scientific paper

We have developed a method to calculate the hydration of hydrophobic solutes by the fundamental measure theory. This method allows us to carry out calculations of the density profile and the hydration energy for hydrophobic molecules. An additional benefit of the method is the possibility to calculate interaction forces between solvated nanoparticles. On the basis of the designed method we calculate hydration of spherical solutes of various sizes from one angstrom up to several nanometers. We have applied method to evaluate the free energies, the enthalpies, and the entropies of hydrated rare gases and hydrocarbons. The obtained results are in agreement with available experimental data and simulations.

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