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Molecular Physics
An International Journal at the Interface Between Chemistry and Physics
Volume 54, 1985 - Issue 4
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Original Articles

Orientational ordering in uniaxial liquid crystals

The temperature dependence of the potential of mean torque for 4-n-alkyl-4′-cyanobiphenyls

C.J.R. Counsell Department of Chemistry, The University, Southampton, SO9 5NH, England
,
J.W. Emsley Department of Chemistry, The University, Southampton, SO9 5NH, England
,
N.J. Heaton Department of Chemistry, The University, Southampton, SO9 5NH, England
&
G.R. Luckhurst Department of Chemistry, The University, Southampton, SO9 5NH, England
Pages 847-861 | Received 21 Feb 1984, Accepted 10 Nov 1984, Published online: 23 Aug 2006

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GeoffreyR. Luckhurst. (2009) Biaxial nematics composed of flexible molecules: a molecular field theory. Liquid Crystals 36:10-11, pages 1295-1308.
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E. CIAMPI. (1999) The structure, conformation and orientational order of fluorinated liquid crystals determined from carbon-13 NMR spectroscopy. Liquid Crystals 26:1, pages 109-125.
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T. CHANDRAKUMAR & E. ELLIOTT BURNELL. (1997) A temperature dependence study of small solutes in zero electric field gradient nematic liquid crystal mixtures. Molecular Physics 90:3, pages 303-314.
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MarkR. Wilson. (1996) Molecular modelling of liquid crystal systems: An internal coordinate Monte Carlo approach. Liquid Crystals 21:3, pages 437-447.
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RonaldY. Dong & G.M. Richards. (1995) Modeling Internal Chain Dynamics in Nematogens of Different Chain Lengths: Deuteron NMR Study. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 262:1, pages 339-355.
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T. Chandrakumar, DanS. Zimmerman, G.S. Bates & E. Elliott Burnell. (1994) Comparison of short range interactions in nematic liquid crystals A 2H-NMR study of 5CB-d 19 as a solute. Liquid Crystals 17:4, pages 457-485.
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G.R. Luckhurst. (1994) The Marcelja-Luckhurst molecular field theory for uniaxial nematics composed of flexible molecules A variational derivation. Molecular Physics 82:5, pages 1063-1073.
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RonaldY. Dong & G. Ravindranath. (1994) Correlated chain dynamics in the nematic phase of 4-cyano-4′-hexyloxybiphenyl. Liquid Crystals 17:1, pages 47-63.
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D.W. Bruce, S.M. Fan & G.R. Luckhurst. (1994) On the transitional properties of rigid oligomers. The orientational order of the monomer 4-n-pentyl-4′-cyanobiphenyl and its platinum dichloride linked dimer. Liquid Crystals 16:6, pages 1093-1099.
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RonaldY. Dong, L. Friesen & G.M. Richards. (1994) Molecular order and dynamics of the nematogen MBBA. Molecular Physics 81:5, pages 1017-1038.
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S.T. W. Cheung & J.W. Emsley. (1993) The conformations adopted by alkyl chains in α,ω-bis(aryl)alkanes in liquid-crystalline phases. Liquid Crystals 13:2, pages 265-282.
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H. Gerard, J. Avalos, D. Galland & F. Volino. (1992) The structure of substituted biphenyls as studied by proton NMR in nematic solvents. Single conformation model versus maximum entropy analysis. Liquid Crystals 12:4, pages 649-656.
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Vi.K. Pershin & V.A. Konoplev. (1992) Stability of a nematic mesophase with internal degrees of freedom Analysis in terms of catastrophe theory. Liquid Crystals 12:1, pages 95-126.
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A.P. J. Emerson & G.R. Luckhurst. (1991) On the relative propensities of ether and methylene linkages for liquid crystal formation in calamitics. Liquid Crystals 10:6, pages 861-868.
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A. Emerson, G.R. Luckhurst & R.W. Phippen. (1991) The average shapes of flexible mesogenic molecules On the choice of reference frame. Liquid Crystals 10:1, pages 1-14.
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J.W. Emsley, S.K. Heeks, T.J. Horne, M.H. Howells, A. Moon, W.E. Palke, S.U. Patel, G.N. Shilstone & A. Smith. (1991) Multiple contributions to potentials of mean torque for solutes dissolved in liquid crystal solvents. A comparison of the orientational ordering of anthracene and anthraquinone as solutes in nematic solvents. Liquid Crystals 9:5, pages 649-660.
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A. Ferrarini, P.L. Nordio & G.J. Moro. (1991) Molecular Motions of 4-n-alkyl-4′-cyanobiphenyls in Liquid Crystal Phases. Molecular Crystals and Liquid Crystals 198:1, pages 159-170.
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A. Ferrarini, G.J. Moro & P.L. Nordio. (1990) Theory of molecular motions in flexible nematogens. Liquid Crystals 8:5, pages 593-621.
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J.W. Emsley, G.R. Luckhurst & S.W. Smith. (1990) The pressure and temperature dependence of the orientational order of a biaxial solute dissolved in a nematic solvent. Molecular Physics 70:6, pages 967-984.
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N.J. Heaton & G.R. Luckhurst. (1989) Pretransitional behaviour in nematogens composed of flexible molecules. Molecular Physics 66:1, pages 65-86.
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G. Celebre, M. Longeri & J.W. Emsley. (1988) The nature of the internal rotational barrier in benzyl chloride An interpretation of the dipolar coupling constants obtained from the analysis of the proton N.M.R. spectra of samples dissolved in liquid crystal solvents. Molecular Physics 64:4, pages 715-723.
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J.W. Emsley, N.J. Heaton, G.R. Luckhurst & G.N. Shilstone. (1988) Orientational order in the nematic phase of the α,ω-bis(4,4′-cyanobiphenyloxy) alkanes. Molecular Physics 64:3, pages 377-389.
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Cheryl Baldwin Frech, B.M. Fung & Martin Schadt. (1988) Orientational ordering of 4-substituted phenylcyclohexanes studied by carbon-13 two-dimensional N.M.R.. Liquid Crystals 3:6-7, pages 713-722.
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D.J. Photinos, K.J. Nikolakopoulos & M.A. Theodoropoulou. (1988) N.M.R. study of segmental molecular interactions in liquid crystals. Liquid Crystals 3:6-7, pages 695-704.
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Akihiro Abe & Hidemine Furuya. (1988) Molecular Ordering in Liquid Crystals Carrying Flexible Hydrocarbon Tails—A Rotational Isomeric State Analysis of D-NMR Data of Emsley et al on 4-n-Alkyl-4'-Cyanobiphenyls (nCB). Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics 159:1, pages 99-114.
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Chi-Duen Poon, CatherineM. Wooldridge & B.M. Fung. (1988) Orientational Ordering of 4-n-Alkyl-oxy-4′-Cyanobiphenyls Studied by 2D Carbon-13 NMR. Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics 157:1, pages 303-318.
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A. Kloczkowski, G.R. Luckhurst & R.W. Phippen. (1988) A visual representation for the shapes of flexible mesogenic molecules. Liquid Crystals 3:2, pages 185-194.
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C.J.R. Counsell, J.W. Emsley, G.R. Luckhurst & H.S. Sachdev. (1988) Orientational order in the 4-n-alkyloxy-4′-cyanobiphenyls. Molecular Physics 63:1, pages 33-47.
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D.J. Photinos. (1987) On the conformational effects of intermolecular interactions in nematics. Liquid Crystals 2:6, pages 865-876.
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J.W. Emsley, N.J. Heaton, M.K. Kimmings & M. Longeri. (1987) The conformation and orientational order of 1-ethoxy-4-chlorobenzene dissolved in a nematic liquid crystal. Molecular Physics 61:2, pages 433-442.
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Donata Catalano, Claudia Forte, Carlo Alberto Veracini, J.W. Emsley & G.N. Shilstone. (1987) Solute-Solvent Interactions in the Nematic and Smectic A Phases of 4 4-di-n-Heptylazoxybenzene Studied by Deuteron NMR. Liquid Crystals 2:3, pages 357-371.
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B.M. Fung, Chi-Duen Poon, Mahinda Gangoda, EricL. Enwall, Tuan A.D. Diep & ChuongV. Bui. (1986) Nematic and Smectic Ordering of 4-n-Octyl-4′-cyanobiphenyl Studied by Carbon- 13 NMR. Molecular Crystals and Liquid Crystals 141:3-4, pages 267-277.
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D.J. Photinos. (1986) Determination of Alkyl Chain Orientational Order from Deuterium Magnetic Resonance Spectra of Liquid Crystals. Molecular Crystals and Liquid Crystals 141:3-4, pages 201-206.
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P.A. Beckmann, J.W. Emsley, G.R. Luckhurst & D.L. Turner. (1986) Nuclear spin-lattice relaxation rates in liquid crystals. Molecular Physics 59:1, pages 97-125.
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