(2,2′-Diamino-4,4′-bi-1,3-thiazole-κ2N3,N3′)(oxydiacetato-κ3O,O′,O")copper(II) monohydrate

The title compound, [Cu(C4H4O5)(C6H6N4S2)] . H2O, displays a square-pyramidal coordination geometry. The tridentate oxydiacetate dianion chelates the Cu-II atom in the facial mode. The large difference [0.487 (4) Angstrom] between the longest Cu - O distance in the basal plane and that in the apical direction correlates with the small displacement of the Cu-II atom [0.0576 (13) Angstrom] from the basal plane towards the apex of the square pyramid. The intermolecular hydrogen-bonding network results in a closely overlapped arrangement of the coordination basal plane and the thiazole ring of a neighboring molecule.