Bis(μ2- N-5-formysalicylideneglycinato-κ4 O, N, O′: O′)bis­[aqua­copper(II)].

In the title controsymmetric dimeric copper(II) compound, [Cu2(C10H7NO4)2(H2O)2], the CuII ion is five-coordinated in a square-pyramidal configuration, with one imine N atom, one phenolate O atom, one carboxylate O atom of the Schiff base and one O atom of a coordinated water molecule defining the basal plane, and the phenolate O atom of another Schiff base occupying the apical position. The CuII atoms are bridged by two phenolic O atoms, with a Cu…Cu distance of 3.250 (4) Å. In the crystal structure, the molecules are linked through intermolecular O—H…O hydrogen bonds, forming chains running along the b axis. [ABSTRACT FROM AUTHOR]