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Acta Cryst. (2013). E69, m690
[ doi:10.1107/S160053681303184X ]


J. Cao, Z. Huang, C. Cao, C. Cheng and C. Sun

Abstract: In the title polymeric compound, [Cu2(HCO2)4(C6H12N4)]n, the CuII atom is five-coordinated in a square-pyramidal geometry that is defined by four O atoms from four formate ligands and one N atom from a hexa­methyl­ene­tetra­mine ligand. The two CuII atoms are separated by 2.6850 (7) Å, and together with the four formate ligands they form a paddle-wheel unit. The hexa­mine ligand uses only two of its four N atoms to link Cu2 cluster units, affording a zigzag chain running along the b-axis direction. The hexa­mine ligand lies on a mirror plane.

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