Helical twisting power and circular dichroism as chirality observations: the intramolecular and intermolecular chirality transfer in a liquid crystal phase

Hans-Georg Kuball; Ralph Kolling; Holger Bruening; Bernhard Weiss

doi:10.1117/12.299976

1 February 1998 Helical twisting power and circular dichroism as chirality observations: the intramolecular and intermolecular chirality transfer in a liquid crystal phase

Hans-Georg Kuball, Ralph Kolling, Holger Bruening, Bernhard Weiss

Author Affiliations +

Proceedings Volume 3318, Liquid Crystals: Physics, Technology, and Applications; (1998) https://doi.org/10.1117/12.299976
Event: Liquid Crystals, 1997, Zakopane, Poland

Abstract

For the relation between the sign and size of the helical twisting power (HTP) and the absolute configuration of a chiral molecule, a couple of different effects are responsible which contribute with different weighting factors to the induction of the pitch of a cholesteric phase. With the concept of decomposition of the chiral induction in an intramolecular and intermolecular chirality transfer two of these effects, the independent contribution of chiral groups within the dopant - far away form each other - to the HTP and the dependence of the HTP on the orientation of the orientation axis with respect to the molecular skeleton of the dopant have been analyzed.

Citation Download Citation

Hans-Georg Kuball, Ralph Kolling, Holger Bruening, and Bernhard Weiss "Helical twisting power and circular dichroism as chirality observations: the intramolecular and intermolecular chirality transfer in a liquid crystal phase", Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); https://doi.org/10.1117/12.299976

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