4-Carbamoylpiperidinium 2-carboxybenzoate-benzene-1,2-dicarboxylic acid (1/1)
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The asymmetric unit of the title salt adduct, C6H13N2O+烸H5O4-烸H6O4, comprises one isonipecotamide cation, a hydrogen phthalate anion and a phthalic acid adduct molecule. These form a two-dimensional hydrogen-bonded network through head-to-tail cation-anion-adduct molecule interactions which include a cyclic heteromolecular amide-carboxylate motif [graph set R22(8)], conjoint cyclic R22(6) and R33(10) piperidinium N-H...Ocarboxyl associations, as well as strong carboxyl O-H...Ocarboxyl hydrogen bonds.
Acta Crystallographica Section E: Structure Reports Online
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Structural Chemistry and Spectroscopy