Abstract
A simplified model for calculating the dipole and dipole–quadrupole polarizabilities Ai,jk is suggested. The model is based on the mean energy method and on the topological approximation to the bond order matrix. Pseudoinvariants of the Ai,jk tensor are calculated to evaluate the degree of molecular dissymmetry, which is responsible for the discriminating intermolecular forces. The method is illustrated by calculations for a number of chiral molecules and comparison of the calculated indices with the experimentally evaluated twisting ability of molecules during the nematic–cholesteric phase transition.
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Luzanov, A.V., Lisetskii, L.N. Topological Model for Dipole–Quadrupole Polarizability and Its Application to Analysis of Discriminating Intermolecular Interactions. Journal of Structural Chemistry 42, 544–549 (2001). https://doi.org/10.1023/A:1013125405958
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DOI: https://doi.org/10.1023/A:1013125405958