Induced smectic G phase through intermolecular hydrogen bonding

Kumar, Poluri A and Srinivasulu, M and Pisipati, V G K M (2010) Induced smectic G phase through intermolecular hydrogen bonding. Liquid Crystals, 26 (9). pp. 1339-1343. ISSN 1366-5855

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A new series of mesomorphic complexes formed through intermolecular hydrogen bonding between p-n-alkoxybenzoic acids (where alkoxy denotes chains from propoxy- to decyloxyand dodecyloxy-) and non-mesogenic p-hydroxybutyl benzoate, have been synthesized and characterized by thermal microscopy, di� erential scanning calorimetry, infrared spectroscopy (IR) and 1HNMR studies. A detailed IR spectral investigation in the solid state and in solution suggests that the acid and phenol groups are complementary to each other, each acting as both proton donor and proton acceptor. The results of comparative thermal analyses of both free p-n-alkoxybenzoic acids andH-bonded complexes exhibited an induced crystal smecticG phase in the complexes throughout the series, its thermal range increasing with alkoxy carbon number.

Item Type: Article
Subjects: Engineering > MIT Manipal > Chemistry
Depositing User: MIT Library
Date Deposited: 27 Jan 2015 09:26
Last Modified: 27 Jan 2015 09:26

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