Triaquabis{μ-N-[N-(4-methoxy-2-oxidobenzylidene)glycyl]glycinato(3−)}cadmium(II)dicopper(II) dihydrate

Abstract

In the title compound, [CdCu2(C12H11N2O5)2(H2O)3]·2H2O, the CuII atoms are in a square plane of N2O2 atoms contributed by the tetradentate Schiff base trianion. The CuII atoms are coordinated by one phenolate O atom, one imine N atom, one amido N atom and one carboxylate O atom. The CdII atom is connected via the carboxylate groups, forming a heterotrinuclear CuII–CdII–CuII system. The CdII atom is seven-coordinate in a pentagonal-bipyramidal geometry with four O atoms from two carboxylate groups and three aqua ligands. The heterotrinuclear molecules are linked to the uncoordinated water molecules by O—H...O hydrogen bonds into a three-dimensional framework.