Acta Cryst. (2008). E64, m377  [ doi:10.1107/S1600536808001360 ]

Bis(4-chloropyridinium) tetrachloridonickelate(II)

L. Cao, U. Englert and Q. Li

Abstract: In the title compound, (C₅H₅ClN)₂[NiCl₄], the dianion lies on a twofold rotation axis. Two cations are linked to each anion by classical N-HCl hydrogen bonds, and short ClCl contacts and Cl stacking interactions [with distances of 3.376 (2) and 3.684 (2) Å, respectively] extend this pattern into a chain. The [NiCl₄]^2- anion shows significant deviation from ideal tetrahedral geometry.

Online 23 January 2008

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