Rod-like phases formed by Ni(II) and VO(II) complexes of tetradentate enaminoketone ligands

Author: Krowczynski A.   Szydlowska J.   Gorecka E.  

Publisher: Taylor & Francis Ltd

ISSN: 0267-8292

Source: Liquid Crystals, Vol.26, Iss.5, 1999-05, pp. : 685-689

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Abstract

Most of the nickel(II) complexes of tetradentate enaminoketone ligands obtained, although not strictly calamitic and with a rather low length to width ratio, form enantiotropic rod-like nematic and smectic A phases. Corresponding vanadyl(II) complexes exhibit only monotropic mesophases. The vanadyl complexes, due to their non-planar structure, are chiral with an asymmetry centre placed at the metal ion.

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