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Acta Cryst. (2008). E64, m1399 [ doi:10.1107/S1600536808032571 ]

Tetrakis[tris(2,2'-bi-1H-benzimidazole)nickel(II)] bis(phosphate) sulfate

C.-S. Ling and L. Yan

Abstract: The title compound, [Ni(C₁₄H₁₀N₄)₃]₄(PO₄)₂(SO₄), consists of [Ni(C₁₄H₁₀N₄)₃]²⁺ complex cations (.3. symmetry) and disordered anions ( ${\\overline 4}$ symmetry) with occupancy factors of two-thirds for PO₄^3- and one-third for SO₄^2-. The Ni²⁺ centre is chelated by three bidentate 2,2'-bi-1H-benzimidazole molecules in a distorted octahedral coordination. N-HO hydrogen bonds consolidate the building units into a framework structure.

Online 15 October 2008