Acta Cryst. (2009). E65, m188-m189  [ doi:10.1107/S160053680900083X ]

{6,6'-Dimethoxy-2,2'-[o-phenylenebis(nitrilomethylidyne)]diphenolato}cobalt(II) dichloromethane disolvate

A. Nabei, T. Kuroda-Sowa, T. Okubo, M. Maekawa and M. Munakata

Abstract: The title compound, [Co(C₂₂H₁₈N₂O₄)]·2CH₂Cl₂, was isolated from the reaction of N,N'(o-phenylene)bis(vanillalimine) (H₂L) with Co(SCN)₂. The crystal structure contains a Co^II ion surrounded by the L^2- ligand in a slightly distorted square-planar fashion. Intermolecular C-HO hydrogen-bonding contacts between the dichloromethane solvent molecules and the methoxy or carboxylate O atoms are observed in the crystal structure. The planar complex molecules stack through inversion related - interactions between the six-membered rings of the vanillalimine half ligands. The distance between centroids is 3.498 (2) Å and the perpendicular distance is 3.345 Å. A partial stacking is observed with a centroid-centroid distance of 3.830 (2) Å, a perpendicular distance of 3.350 Å and a slippage of 1.856 Å.

Online 14 January 2009

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