3-Carboxyquinolin-1-ium-2-carboxylate monohydrate

3-Carboxyquinolin-1-ium-2-carboxylate monohydrate

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The title compound, C11H7NO4·H2O, contains a 3-carboxyquinolin-1-ium-2-carboxylate (qda) zwitterion and one water molecule.In the crystal, pairs of N—H.O hydrogen bonds link the molecules into inversion dimers, sawgrass virtuoso sg500 complete sublijet sublimation printer kit and these dimers are further connected by O—H.O hydrogen bonds into a three-dimensional supramolecular architecture.

In addition, π–π interactions occur between pyridine and benzene rings from different qda ligands [centroid–centroid distance = 3.749 (1) Å] and the dihedral angles of the here –CO2H and –CO2 groups to the quinoline system are 8.47 (3) and 88.16 (6)°, respectively.