Abstract
The Kamlet-Taft π* scale of solvent dipolarity/polarizability is examined with a model that combines the classical Onsager reaction field and the dielectrically saturable Block and Walker reaction field. The model presented is found to adequately correlate the π* values of a wide range of solvent classes (perfluoro, polychlorinated, aromatic, and dipolar aprotic); however, systematic deviations are observed for polychlorinated solvents. Comparison of results obtained for 76 aprotic low-molecular-weight solvents with the results for a series of methyl/phenylsiloxane polymer solvents supports the general approach outlined.
Original language | English (US) |
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Pages (from-to) | 3053-3057 |
Number of pages | 5 |
Journal | Journal of physical chemistry |
Volume | 86 |
Issue number | 16 |
DOIs | |
State | Published - 1982 |