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Ascertaining the 1D Hydrogen-Bonded Network in Organic Ionic Solids

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posted on 06.07.2005, 00:00 by Amar Ballabh, Darshak R. Trivedi, Parthasarathi Dastidar
Crystal engineering concepts are exploited to generate a 1D hydrogen-bonded network in a series of organic salts (918) derived from dicyclohexylamine and various dicarboxylic acids (17) having linear as well as twisted/angular functional topology. It is clearly demonstrated that the cyclic 0D hydrogen-bonded network involving corresponding cations and anions in a secondary ammonium monocarboxylate salt (synthon B or C) can indeed be transformed into a 1D network in 1:2 (acid/amine) dicarboxylate systems (912). The effects of the twisted/angular functional topology of the anion moiety on the resultant supramolecular architectures in the corresponding 1:2 (acid/amine) salts (1315) are examined. The 1:1 salts (1618) of the dicarboxylic acids having twisted/angular functional topology also display a 1D network.