Bis(μ-pyridine-2,4-dicarboxylato)-κ3N,O2:O2;κ3O2:N,O2-bis[triaquamagnesium(II)]

Abstract

In the title centrosymmetric MgII complex, [Mg2(C7H3NO4)2(H2O)6], each Mg cation is N,O-chelated by a pyridine-2,4-dicarboxylate dianion and is coordinated by three water molecules. A carboxylate O atom from the neighboring pyridine-2,4-dicarboxylate dianion bridges the Mg cation to complete the MgNO5 distorted octahedral coordination geometry. The dinuclear complex molecules are linked by intermolecular O—H...O hydrogen bonding, forming a three-dimensional supramolecular structure.