Dimethylammonium diaqua(pyridine-2,4-dicarboxylato-κ2N,O2)cuprate(II)

The asymmetric unit of the title compound, (C2H8N)2[Cu(C7H3NO4)2(H2O)2], contains one-half of a mononuclear [Cu(C7H3NO4)2(H2O)2]2− anion, one dimethylammonium cation and one aqua ligand. The CuII atom, lying on an inversion center, is coordinated by two symmetry-related N atoms and two O atoms from one pyridine-2,4-dicarboxylate ligand and two symmetry-related aqua ligands and exhibits a distorted octahedral trans-[CuN2O4] coordination geometry. Multiple crystallographically independent O—H...O and N—H...O hydrogen bonds form a three-dimensional network in the crystal structure.

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