Issue 12, 1990

Classification of organic solvents based on correlation between dielectric β parameter and empirical solvent polarity parameter E NT

Abstract

It is proposed that the ratio µ2/V, from electrostatic solvation theory, be used to designate solvent polarity; µ is the dipole moment and V the molar volume. The 101 solvents analysed can be divided into four classes (and two subclasses) by means of the correlation between the dielectric β parameter (proportional to µ2/V) and the empirical solvent polarity parameter ENT. Although the method proposed is very simple, the results agree very well with those obtained by a much more complex multivariate statistical method (M. Chastrette, M. Rajzmann, M. Chanon and K. F. Purcell, J. Am. Chem. Soc., 1985, 107, 1). Moreover some solvents, that are apparently non-conformist under the Chastrette criteria, can be classified in line with their molecular properties under the method described here.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans., 1990,86, 2237-2241

Classification of organic solvents based on correlation between dielectric β parameter and empirical solvent polarity parameter ENT

M. Dutkiewicz, J. Chem. Soc., Faraday Trans., 1990, 86, 2237 DOI: 10.1039/FT9908602237

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