Prof. Long-Li Lai, Chun-Ming Yang, Chia-Chun Liu, Dr. Kung-Lung Cheng, Dr. Yu-Shen Wen, Prof. Chen-Hsiung Hung, Dr. Tzuoo-Tsair Luo and Prof. Ming-Yu Kuo Direct Evidence of a Liquid-Crystalline Phase Induced by Intermolecular CH⋅⋅⋅Cl Interactions on the Basis of IR Spectroscopy and Theoretical Simulations Chemistry - A European Journal 17
Cl-ued together: Two chloroazodyes that only differ in the length of the flexible alkyl chains demonstrate different mesogenic behavior during thermal processes. The one with the C7H15 (1 a; see picture) alkyl chain shows an SmA phase, whereas the one with the C5H11 alkyl chain does not. The corresponding SmA phase of 1 a is attributed to intermolecular Cl⋅⋅⋅H interactions.
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