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Acta Cryst. (2010). E66, m71  [ doi:10.1107/S1600536809052933 ]


C. Tian

Abstract: The title complex, [Ni2(C6H2N3O7)2(C10H20N4O4)], contains a centrosymmetric binuclear unit in which the oxamide ligand (located on a centre of symmetry) acts in a bis-tetradentate fashion and the picrate anion binds to nickel(II) in a bidentate mode. The NiII atom displays a distorted octahedral coordination with axial elongation. The binuclear molecules are linked by intermolecular N-H...O, O-H...O and C-H...O hydrogen bonds into a two-dimensonal supramolecular network extending parallel to (100).

Online 16 December 2009

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