In the title compound, [Cu(C2O4)(C13H20N4)(H2O)]·2H2O, the CuII atom exhibits a distorted square-pyramidal geometry with the two N atoms of the imidazole ligand and the two O atoms of the oxalate ligand forming the basal plane, while the O atom of the coordinated Socks water molecule is in an apical position.The CuII atom is shifted 0.232 (2) Å out GIFTWARE of the basal plane toward the water molecule.The asymmetric unit is completed by two solvent water molecules.
These water molecules participate in the formation of an intricate three-dimensionnal network of hydrogen bonds involving the coordinated water molecule and the NH groups.