Acta Cryst. (2005). E61, m2121-m2123  [ doi:10.1107/S160053680503045X ]

N,N'-Dimethyl-1,4-diazoniabicyclo[2.2.2]octane tetrachlorocobaltate(II)

Y. Qu and X.-M. Sun

Abstract: The title compound, (C₈H₁₈N₂)[CoCl₄], crystallizes with two cations, one complete anion and two half-anions in the asymmetric unit, two anions having twofold rotation symmetry. The cation was obtained by methylation of DABCO (1,4-diazabicyclo[2.2.2]-octane). The geometry of the [CoCl₄]^2- anion can be described as distorted tetrahedral. C-HCl hydrogen-bond interactions link cations and anions in the crystal structure.

Online 28 September 2005

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