A general treatment of solubility. 2. QSPR prediction of free energies of solvation of specified solutes in ranges of solvents |
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| Authors: | Katritzky Alan R Oliferenko Alexander A Oliferenko Polina V Petrukhin Ruslan Tatham Douglas B Maran Uko Lomaka Andre Acree William E |
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| Institution: | Florida Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200, USA. katritzky@chem.ufl.edu |
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| Abstract: | As part of our general QSPR treatment of solubility (started in the preceding paper), we now present quantitative relationships between solvent structures and the solvation free energies of individual solutes. Solvation free energies of 80 diverse organic solutes are each modeled in a range from 15 to 82 solvents using our CODESSA PRO software. Significant correlations (in terms of squared correlation coefficient) are found for all the 80 solutes: the best fit is obtained for n-propylamine (R(2) = 0.996); the lowest R(2) corresponds to toluene (0.604). |
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