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, and these dimers are oas ba?adores 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 canadian white blenheim apricot the dihedral angles of the –CO2H and –CO2 groups to the quinoline system are 8.

47 (3) and 88.16 (6)°, respectively.