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Molecular Crystals and Liquid Crystals Volume 206, 1991 - Issue 1
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Liquid Crystals

Polymorphic Ionic Mesogens of Silver(l): Ionic Materials Exhibiting a Thermotropic Cubic Mesophase

Duncan W. Bruce Department of Chemistry, The University, Sheffield, S3 7HF, England
,
David A. Dunmur Department of Chemistry, The University, Sheffield, S3 7HF, England
,
Sarah A. Hudson Department of Chemistry, The University, Sheffield, S3 7HF, England
,
Elena Lalinde Department of Chemistry, The University, Sheffield, S3 7HF, England
,
Peter M. Maitlis Department of Chemistry, The University, Sheffield, S3 7HF, England
,
P. Malcolm Department of Chemistry, The University, Sheffield, S3 7HF, England
,
McDonald Department of Chemistry, The University, Sheffield, S3 7HF, England
,
Robert Orr Department of Chemistry, The University, Sheffield, S3 7HF, England
,
Peter Styring Department of Chemistry, The University, Sheffield, S3 7HF, England
,
Ashvin S. Cherodian School of Chemistry, University of Bristol, Cantock's Close, BRISTOL, BS8 1TS, England
,
Robert M. Richardson School of Chemistry, University of Bristol, Cantock's Close, BRISTOL, BS8 1TS, England
,
José L. Feijoo Department of Chemistry, The University, Sheffield, S3 7HF, England; Department of Physics, University of Bristol, Tyndal Avenue, BRISTOL, BS8 1TL, England
&
Goran Ungar School of Chemistry, University of Bristol, Cantock's Close, BRISTOL, BS8 1TS, England; Department of Physics, University of Bristol, Tyndal Avenue, BRISTOL, BS8 1TL, England
 show all
Pages 79-92 | Received 11 Jan 1991, Accepted 18 Feb 1991, Published online: 24 Sep 2006
 
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Abstract

Reaction of tran.s-4-alkyloxy-4′-stilbazoles (n-OPhVPy) with silver dodecylsulphate (AgDOS) led to the complexes [Ag(n-OPhVPy)2][DOS] which showed thermotropic mesomorphism. All homologues from methyloxy (n=1) to dodecyloxy (n=12) have been synthesised. The complexes showed a nematic phase at short chain lengths, but at longer chain lengths, smectic C and A phases were observed in addition to an isotropic mesophase (Mt), similar to the recently characterised D phase. The mesomorphism was determined using optical microscopy, DSC and X-ray scattering.

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Related Research Data

Liquid crystalline complexes of 4-alkoxystilbazoles with silver 1,12-dodecylene disulphate
Source: Informa UK Limited
Entwicklung struktureller Komplexität durch Selbstorganisation in flüssigkristallinen Systemen
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The Synthesis and Mesomorphism of Mesogenic Imines with Fluorocarbon Chains and their Complexes with Rhenium(I): New Materials with Cubic Phases
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Mesomorphic silver(I) complexes of 4-alkyloxy-2′-stilbazoles and 4-alkyloxy-3′-stilbazoles. Crystal and molecular structure of 4-methoxy-2′-stilbazole
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