Acta Cryst. (2013). E69, m278-m279 [ doi:10.1107/S1600536813010118 ]
Abstract: The reaction of 4-chloro-2-(quinolin-8-yliminomethyl)phenol (HClQP) with cobalt(II) dichloride hexahydrate in methanol/chloroform under solvothermal conditions yielded the title compound, [Co(C16H10ClN2O)2][CoCl3(CH3OH)]. The CoIII atom is six-coordinated in a slightly distorted octahedral geometry by four N atoms and two O atoms of two tridentate HClQP ligands, which are nearly perpendicular to each other, making a dihedral angle of 86.95°. The CoII atom is four-coordinated by three Cl atoms and one O atom from a methanol ligand in a distorted tetrahedral geometry. The crystal packing is consolidated by intermolecular O-HCl, C-HCl and C-HO hydrogen bonds, forming a three-dimensional supramolecular structure, in which [CoIICl3(CH3OH)] anions are connected via O-HCl and C-HCl hydrogen bonds into centrosymmetric dimers. Neighboring cobalt(III) complexes form dimers through C-HO hydrogen bonds, as well as - stacking [centroid-centroid distances = 3.30 (2) Å] between the planar quinoline systems of one HClQP ligand and the phenolate ring of another.
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