trans-Diaquabis(1H imidazolium-4,5-dicarboxylato-κ2O4,O5)magnesium

Abstract

The title compound, [Mg(C5H3N2O4)2(H2O)2], consists of centrosymmetric neutral monomers in which two O,O′-bidentate imidazolinium-4,5-dicarboxylate ligands are bonded to the MgII ion. One of the carboxyl protons is transferred to the N atom of the imidazole ring. The octahedral metal-ion coordination is completed by two trans water O atoms. In the crystal, molecules are linked by N—H...(O,O) and O—H...O hydrogen bonds.