In the title compound, [Cu(C13H8N4O3)(H2O)]·3H2O, the complex molecule, except for the aqua ligand, is essentially Incense planar [r.m.s.deviation = 0.
034 (2) Å].The coordination polyhedron of the Cu2+ cation is a square-pyramid, with the aqua ligand at the apex.The compound exhibits a three-dimensional structure, which is is stabilized by O—H.O and O—-H.
N hydrogen bonds and Sweatshirt π–π interactions [centroid–centroid distance = 2.987 (3) Å].