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Liquid Crystals Volume 34, 2007 - Issue 12
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Original Articles

Mesomorphism of ortho‐metallated imine complexes of the β‐diketonatoplatinum(II) fragment. Crystal and molecular structure of three platinum imine complexes

Viorel Cîrcu Department of Chemistry, University of York, Heslington, York YO10 5DD, UK
,
Peter N. Horton EPSRC Crystallographic Service, Department of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK
,
Michael B. Hursthouse EPSRC Crystallographic Service, Department of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, UK
&
Duncan W. Bruce Department of Chemistry, University of York, Heslington, York YO10 5DD, UKCorrespondence[email protected]
Pages 1463-1472 | Received 09 Aug 2007, Accepted 23 Oct 2007, Published online: 11 Dec 2007
 
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Abstract

The synthesis of a series of ortho‐metallated Pt imine complexes bound to a range of β‐diketonato ligands is described and the crystal structures of three are reported; two show unusually short F…F contacts in the solid state. All but one of the new complexes show liquid crystal mesophases and the thermal behaviour was studied using a combination of optical microscopy and differential scanning calorimetry. The mesomorphism is compared with that of analogous palladium complexes reported previously.

Acknowledgements

We thank NATO and MEdC (Romanian Ministry of Education) for funding (VC), and Johnson Matthey for generous loans of K2[PtCl4].

Notes

†. CCDC‐652747, CCDC‐652748 and CCDC‐652749 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.

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