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  • Title: The conformation and orientational order of a 1,2-disubstituted ethane nematogenic molecule (I22) in liquid crystalline and isotropic phases studied by NMR spectroscopy.
    Author: Emsley JW, Lesot P, Lesage A, De Luca G, Merlet D, Pileio G.
    Journal: Phys Chem Chem Phys; 2010 Mar 28; 12(12):2895-914. PubMed ID: 20449380.
    Abstract:
    The structure, conformation and orientational order of the mesogen I22 have been studied by proton, carbon-13 and deuterium 1D and 2D-NMR spectroscopies at natural abundance and at various magnetic fields when in the nematic phase, the isotropic phase close to the nematic-isotropic phase transition, and as a solute in the chiral nematic solution comprised of the polypeptide PBLG dissolved in chloroform. It is concluded that 95% of conformers have a trans arrangement about the central C-C bond of the ethane fragment in all phases.
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