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Solution Thermodynamic Studies. 7. A Thermodynamic Study of Solvent Effects on the Relative Stability of cis- and trans-Dichloroethylene: Importance of the Quadrupolar and Octupolar Electric Moments in the Reaction Field Model

par Stien, Marie Louise ;Claessens, Michel ;Lopez, André;Reisse, Jacques
Référence Journal of the American Chemical Society, 104, 22, page (5902-5905)
Publication Publié, 1982

Article révisé par les pairs

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Résumé :

Calorimetric measurements of heats of solution on the title compounds clearly show a similar solvent effect on both isomers even though the cis isomer is a dipolar molecule and the trans isomer a quadrupolar molecule. Interaction energies of both isomers with various solvents can be described by a reaction field model in which higher moments than the dipole moment are taken into account. The quadrupolar contribution is as important for the trans isomer as for the cis, and even the octupolar contribution to the interaction energy is not negligible in the case of the cis isomer. © 1982, American Chemical Society. All rights reserved.