Abstract
EXPERIMENTALLY it is indicated that the different total polarisations shown by the same solute when dissolved in different solvents are to be related to alterations in the orientation polarisations (0P) caused by replacement of one dielectric environment by another, the atomic and electronic polarisations being constant throughout such changes. Therefore the expression given by Raman and Krishnan1 for the volume polarisation of a dielectric, namely: (cf. reference for definition of symbols) can be rewritten to show the molecular orientation polarisation (0Psol.) of a polar solute at infinite dilution in a non-polar medium of dielectric constant ϵ as: Now, dividing throughout by the true orientation polarisation as observed in the gaseous state (oPgas = 4N2/9kT) we have
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References
Raman and Krishnan, Proc. Roy. Soc., A, 117, 589; 1927.
Trans. Far. Soc., 1934, Appendix.
Briegleb und Wolf, Fortsch. Chem., 21, Pt. 3; 1931.
Le Fèvre, Chem. and Ind., April 5, 1935, p. 316; and J. Chem. Soc., June, 1935, p. 773.
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LE FÈVRE, R. Molecular Polarisation of Solutes and Dielectric Constant of Solvents. Nature 136, 181–182 (1935). https://doi.org/10.1038/136181b0
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DOI: https://doi.org/10.1038/136181b0
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