Acta Cryst. (2005). E61, m904-m906  [ doi:10.1107/S1600536805011128 ]

[Bis[tris(3,5-dimethylpyrazolyl)methane]nickel(II)][tetrachloronickelate(II)]-methanol-water (1/1/1)

A. Michaud, F.-G. Fontaine and D. Zargarian

Abstract: The title complex, [Ni(HC(3,5-Me₂pz)₃)₂][NiCl₄]·CH₃OH·H₂O, where HC(3,5-Me₂pz)₃ is tris(3,5-dimethylpyrazolyl)methane (C₁₆H₂₂N₆), contains two octahedral nickel(II) cationic complexes, each having symmetry. The Ni atom in each cation is coordinated by six pyrazolyl rings of two chelating HC(3,5-Me₂pz)₃ ligands, with Ni-N distances between 2.0870 (16) Å and 2.1094 (16) Å. The anion consists of nickel(II) surrounded tetrahedrally by four Cl^- anions, with Ni-Cl distances between 2.2547 (7) Å and 2.2847 (7) Å. There is also one methanol molecule and one disordered water molecule in the asymmetric unit.

Online 16 April 2005

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