Journal of Materials Chemistry

Article . 1991 . Peer-reviewed

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Journal of Materials Chemistry

Article

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Paramagnetic rod-like liquid crystals, bis[5-(4-alkoxybenzoyloxy)salicylaldehyde]copper(II)

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1991Publisher:Royal Society of Chemistry (RSC)Journal:Journal of Materials Chemistry, volume 1, page 197 (issn: 0959-9428, eissn: 1364-5501,

Authors: Pablo J. Alonso; José Luis Serrano; Eduardo Campillos; Mercedes Marcos;

doi: 10.1039/jm9910100197

Paramagnetic rod-like liquid crystals, bis[5-(4-alkoxybenzoyloxy)salicylaldehyde]copper(II)

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Abstract

The synthesis and mesogenic behaviour of a homologous series of copper(II) complexes derived from 5-(4-alkoxybenzoyloxy)salicylaldehydes are reported. The complexes exhibit smectic C mesomorphism for alkoxy groups containing eight or more carbon atoms in the terminal chains. These aldehydes therefore favour the formation of metal complexes with liquid-crystalline properties. Electron paramagnetic resonance (EPR) measurements were performed as a function of temperature. The signal can be associated with square-planar Cu2+ ions having an |x2y2 > ground state. Molecular orientation in the mesophase under a magnetic field is discussed.

9 Research products, page 1 of 1

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