Issue 44, 2006
From the journal:

Journal of Materials Chemistry

Orthometallated palladium(ii) imine complexes as candidate materials for the biaxial nematic phase. Crystal and molecular structure of three palladium imine complexes†‡

Viorel Cîrcu,ab   Timothy J. K. Gibbs,a   Laurent Omnès,a   Peter N. Horton,c   Michael B. Hursthousec  and  Duncan W. Bruce*a  

* Corresponding authors

a Department of Chemistry, University of York, Heslington, York, UK
E-mail: db519@york.ac.uk
Fax: +44 (0)1904 432516

b Inorganic Chemistry Department, University of Bucharest, 23 Dumbrava Rosie st., Bucharest, Romania

c EPSRC Crystallographic Service, Department of Chemistry, University of Southampton, Highfield, Southampton, UK

Abstract

The synthesis, characterisation and liquid crystal properties of some forty palladium imine complexes are reported, along with the single crystal X-ray structures of three derivatives. The complexes contain an imine ligand, bound to palladium in an ortho-metallated fashion, and a β-diketonate; the liquid crystal behaviour is studied as a function of the structure of both ligands. The design of these complexes sought to address methods for promoting specific lateral interactions as a means to induce correlations perpendicular to the main liquid crystal director. Such interactions could stabilise lower-symmetry nematic phases such as NB, a proposition supported by calculations.

Graphical abstract: Orthometallated palladium(ii) imine complexes as candidate materials for the biaxial nematic phase. Crystal and molecular structure of three palladium imine complexes

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Article information

DOI
https://doi.org/10.1039/B608823F
Article type
Paper
Submitted
21 Jun 2006
Accepted
22 Aug 2006
First published
14 Sep 2006

J. Mater. Chem., 2006,16, 4316-4325

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Orthometallated palladium(II) imine complexes as candidate materials for the biaxial nematic phase. Crystal and molecular structure of three palladium imine complexes

V. Cîrcu, T. J. K. Gibbs, L. Omnès, P. N. Horton, M. B. Hursthouse and D. W. Bruce, J. Mater. Chem., 2006, 16, 4316 DOI: 10.1039/B608823F

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