Estimation of Solvation Entropy and Enthalpy via Analysis of Water Oxygen–Hydrogen Correlations
نویسندگان
چکیده
منابع مشابه
Estimation of Solvation Entropy and Enthalpy via Analysis of Water Oxygen-Hydrogen Correlations.
A statistical-mechanical framework for estimation of solvation entropies and enthalpies is proposed, which is based on the analysis of water as a mixture of correlated water oxygens and water hydrogens. Entropic contributions of increasing order are cast in terms of a Mutual Information Expansion that is evaluated to pairwise interactions. In turn, the enthalpy is computed directly from a dista...
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Data have been assembled on the enthalpies of solvation of 373 compounds in water and 138 compounds in 1-octanol. It is shown that an Abraham solvation equation with five descriptors can be used to correlate the experimental solvation enthalpies to within standard deviations of 3.68 kJ/mol (water) and 2.66 kJ/mol (1-octanol). The derived correlations provide very accurate mathematical descripti...
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ژورنال
عنوان ژورنال: Journal of Chemical Theory and Computation
سال: 2015
ISSN: 1549-9618,1549-9626
DOI: 10.1021/acs.jctc.5b00439