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Intermolecular forces expressed in 1,2-dichloroethane-water partition coefficients - A solvatochromic analysis
Authors
Steyaert, G.
Lisa, G.
Gaillard, Patrick
Boss, G.
Reymond, F.
Girault, H. H.
Carrupt, Pierre-Alain
Testa, Bernard
Published in Journal of the Chemical Society Faraday Transactions. 1997, vol. 93, no. 3, p. 401-406
Abstract The molecular parameters and intermolecular forces controlling partition coefficients (P) in the 1,2-dichloroethane (DCE)-water system have been studied. A set of 44 solutes was selected to allow a regular and broad exploration of property spaces. Log P-dee values were measured by the shake-flask method, centrifugal partition chromatography, and/or the pH-metric method. Linear solvation Gibbs-energy relationship (LSER) analyses showed that log P-dee values are controlled by the molecular volume of the solutes and by their H-bonding donor acidity and acceptor basicity, with a contribution from the latter parameters significantly greater than in n-octanol-water partition coefficients. The DCE-water system appears as a promising alternative to the alkane-water system for obtaining partition coefficients of interest in structure-permeation relationship studies
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(ISO format) 		STEYAERT, G. et al. Intermolecular forces expressed in 1,2-dichloroethane-water partition coefficients - A solvatochromic analysis. In: Journal of the Chemical Society Faraday Transactions, 1997, vol. 93, n° 3, p. 401-406. https://archive-ouverte.unige.ch/unige:9977

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Deposited on : 2010-08-06

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