Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 11 (November 2013)


metal-organic compounds



bq2389 scheme

Acta Cryst. (2013). E69, m610-m611    [ doi:10.1107/S1600536813028006 ]

Bis[4-(di­methyl­amino)­pyridinium] tetra­chlorido­cuprate(II)

S. Bouacida, R. Bouchene, A. Khadri, R. Belhouas and H. Merazig

Abstract: The asymmetric unit of the title salt, (C7H11N2)2[CuCl4], comprises half a tetrahedral tetra­chlorido­cuprate anion, being located on a twofold axis, and a protonated 4-(di­methyl­amino)­pyridine cation. The geometry around the CuII ion is highly distorted with the range of Cl-Cu-Cl angles being 94.94 (1)-141.03 (1)°. The crystal structure is stabilized by N-H...Cl and C-H...Cl hydrogen bonds. In the three-dimensional network, cations and anions pack in the lattice so as to generate chains of [CuCl4]2- anions separated by two orientations of cation layers, which are inter­locked through [pi]-[pi] stacking contacts between pairs of pyridine rings, with centroid-centroid distances of 3.7874 (7) Å.


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