Acta Cryst. (2008). E64, m1586  [ doi:10.1107/S1600536808038154 ]

Tris(2,2'-bipyridine-²N:N')cobalt(III) trichloride tetrahydrate

W. Liu, W. Xu, J.-L. Lin and H.-Z. Xie

Abstract: The title compound, [Co(C₁₀H₈N₂)₃]Cl₃·4H₂O, contains discrete [Co(bpy)₃]³⁺ cations (bpy is 2,2'-bipyridine), Cl^- anions and water molecules. The [Co(bpy)₃]³⁺ complex cation exhibits C₂ symmetry with the twofold axis through the central Co atom and bisecting one bpy ligand and one of the Cl^- anions. The four solvent water molecules and the remaining two Cl^- anions lie on a mirror plane. Hydrogen-bond interactions define a two-dimensional layer structure parallel to (100), which consists of seven-membered [Cl₂(H₂O)₅], eight-membered [Cl₄(H₂O)₄] and ten-membered [Cl₂(H₂O)₈] rings.

Online 22 November 2008

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