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 further connected by O—H.O jean louis sanchet 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 –CO2H and –CO2 groups to the funko wall-e grande quinoline system are 8.47 (3) and 88.16 (6)°, respectively.