Acta Cryst. (2003). E59, i107-i109 [ doi:10.1107/S1600536803013217 ]
Abstract: The title molecule, [Cu2(H2N2O2)4(H2O)2], possesses a center of symmetry and contains two almost planar eight-membered central rings which are nearly normal to each other. Molecules are linked by O-HO hydrogen bonds to form a three-dimensional network.
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