Hydrogen bonded supramolecular network in organic salts: crystal structures of acid–base salts of dicarboxylic acids and amines
- 2 May 2002
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in CrystEngComm
- Vol. 4 (24) , 135-142
- https://doi.org/10.1039/b202113g
Abstract
Four new organic salts, namely bis(2-aminopyridinium) fumarate–fumaric acid (1∶1) 1, benzylammonium hydrogen fumarate 2, 2-aminopyridinium hydrogen cyclobutane-1,1-dicarboxylate 3 and benzylammonium hydrogen cyclobutane-1,1-dicarboxylate 4 have been synthesized and characterized by FT-IR, 1H NMR and single crystal X-ray crystallography in order to analyse their supramolecular structures. While 1, 2 and 4 form two-dimensional layer structures, 3 displays a one-dimensional network. The role of stronger O–H⋯O and N–H⋯O interactions and weak C–H⋯O interactions on the supramolecular arrangement have been discussed based on the single crystal X-ray structures.Keywords
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