Acta Cryst. (2011). E67, m725-m726  [ doi:10.1107/S1600536811016382 ]

Bis(1-methylpiperidinium) tetrachloridocuprate(II)

B. J. Reynolds and M. R. Bond

Abstract: The structure of the title compound, (C₆H₁₄N)₂[CuCl₄], consists of two inequivalent 1-methylpiperidinium cations and a flattened tetrahedral [CuCl₄]^2- anion. Each organic cation exhibits a chair conformation with the methyl group in the equatorial position. They are segregated into alternating layers parallel to (100) and stacked along [100]. The first cation is arranged in parallel stacks in a herringbone pattern with rows of [CuCl₄]^2- anions fitting between the stacks and with a Cl^- ion directed into the interior of the layer. The second organic cation forms distorted hcp layers that separate the other organic cation/[CuCl₄]^2- slabs. N-HCl hydrogen bonding between the cations and the anions consolidates the crystal packing.

Online 7 May 2011

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