β Scribed by C.A. de Lange
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Proton NhlR spectra of trimethyl acetic acid, dissolved in a bkoic acid type nematic liquid crystal, have been ~meakued and analysed. making use of the hydrogen bonding capabilities of this sort of nematic phase appears to be an excellent method to obtain very high soiute orientations.
π SIMILAR VOLUMES
## Abstract The NMR spectrum of __cis__β2βbutene partially oriented in a nematic phase has been analysed, and information about the geometry and the indirect spinβspin coupling constants has been obtained. Assuming the barrier of rotation of the methyl groups and other geometrical information from
Dcuteron NMR studies of mixtures of nematic liquid crystals such as N-(p-ethoxybenzylidene)-p-n-butylaniline and tram-c pentyl-4-(4-cyanophenyl)cyclohexane and the molecules dissolved therein show the coexistence of up to three different spectra at certain concentrations and temperatures. This is at