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Acta Cryst. (2008). E64, m58  [ doi:10.1107/S1600536807063131 ]

1H-Benzotriazol-3-ium (1H-benzotriazole-[kappa]N3)trichloridocobaltate(II) monohydrate: a reformulation

L. Sieron

Abstract: The asymmetric unit of the title compound, (C6H6N3)[CoCl3(C6H5N3)]·H2O, contains two crystallographically independent cations, two anions and two water molecules. The structure has been reported previously [Zhang, Li, Wang, Xie, Wang & Shen (2004). Acta Cryst E60, m498-m500] as a neutral cobalt(III) complex accompanied by unprotonated benzotriazole molecules and here has been redetermined as an anionic cobalt(II) complex accompanied by protonated benzotriazole cations. For both complex anions, a tetrahedral CoNCl3 geometry arises. A network of N-H...O, N-H...Cl, O-H...O and O-H...Cl hydrogen bonds helps to establish the packing.

Online 6 December 2007


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