Acta Cryst. (2011). E67, m916  [ doi:10.1107/S1600536811021611 ]

Bis(4-amino-1-hexylpyridinium) bis(1,2-dicyanoethene-1,2-dithiolato)cuprate(II)

Q. Liu and J. Liu

Abstract: The complete complex anion in the title salt, (C₁₁H₁₉N₂)₂[Cu(C₄N₂S₂)₂], has 2/m symmetry while the complete cation is generated by mirror symmetry with the non-H atoms of the alkyl chain lying on the plane. A square-planar geometry based on an S₄ donor set is found in the anion; the Cu-S distance is 2.2663 (5) Å. In the crystal, intermolecular N-HN hydrogen bonds link the ions into layers in the bc plane comprising alternating rows of cations and anions.

Online 11 June 2011

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