Abstract

We present an expression, based on scaled particle theory, for the calculation of cavitation free energy of molecules dissolved in nematic liquid crystals. This expression, depending on the orientation of the solute with respect to the director of the mesophase, completes the procedure, recently developed, for the calculation of electrostatic free energy in such systems, and allows the quantitative study of the orienting forces in anisotropic solutions. We report some applications to small rodlike molecules dissolved in a liquid crystal, for which the free energy orientational profile and the relevant elements of the Saupe matrix are calculated using ab initio HF 6-31G** methods.

Keywords

ChemistryLiquid crystalCavitationMesophaseMoleculeChemical physicsAnisotropyAb initioAb initio quantum chemistry methodsParticle (ecology)Matrix (chemical analysis)Orientation (vector space)ThermodynamicsPhase (matter)Organic chemistryCondensed matter physicsOpticsChromatography

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Publication Info

Year
1996
Type
article
Volume
100
Issue
5
Pages
1807-1813
Citations
16
Access
Closed

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Cite This

Benedetta Mennucci, Maurizio Cossi, Jacopo Tomasi (1996). Cavitation and Electrostatic Free Energy for Molecular Solutes in Liquid Crystals. The Journal of Physical Chemistry , 100 (5) , 1807-1813. https://doi.org/10.1021/jp952095a

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DOI
10.1021/jp952095a