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- Title
Correlation between hydrophobic attraction and the free energy of hydrophobic hydration.
- Authors
Koga, Kenichiro; Bhimalapuram, P.; Widom, B.
- Abstract
We correlate the strength of the solvent-mediated attraction of a pair of hydrophobic solute molecules with the free energy of hydration of a single such molecule. This is done in the framework of a particular model but the results may be more general. When the model parameters are chosen to represent methane as the solute in water it is found that over the relevant temperature range the strength of the attraction, expressed as a multiple of the thermal energy [sub K]T, increases nearly linearly with increasing hydration free energy expressed in the same units. In the middle of the temperature range studied the strength of the attraction is roughly one-third of the hydration free energy.
- Subjects
LINEAR free energy relationship; HYDROPHOBIC surfaces; THERMODYNAMICS; HYDRATION; MOLECULES
- Publication
Molecular Physics, 2002, Vol 100, Issue 24, p3795
- ISSN
0026-8976
- Publication type
Academic Journal
- DOI
10.1080/00268970210162899