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. 2011 Feb 16;67(Pt 3):m343.
doi: 10.1107/S1600536811005010.

Bis[4-(dimethyl-amino)-pyridinium] tetra-chloridozincate

Riadh Kefi, Frederic Lefebvre, Matthias Zeller, Cherif Ben Nasr

Bis[4-(dimethyl-amino)-pyridinium] tetra-chloridozincate

Riadh Kefi et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound, (C(7)H(11)N(2))(2)[ZnCl(4)], [ZnCl(4)](2-) anions and 4-(dimethyl-amino)-pyridinium cations are held together by various inter-molecular inter-actions including Coulombic attraction, hydrogen bonding and π-π stacking inter-actions. Three Cl atoms of the [ZnCl(4)](2-) tetra-hedron act as acceptors in N-H⋯Cl hydrogen bonds. The hydrogen bonds, both of which are bifurcated, lead to the formation of a three-dimensional network. Within the network, inter-molecular π-π stacking inter-actions with a centroid-centroid distance of 3.5911 (7) Å arrange the 4-(dimethyl-amino)-pyridinium cations into anti-parallel dimers.

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Figures

Fig. 1.
Fig. 1.
A view of the title compound with the atom numbering scheme. Displacement ellipsoids are drawn at 50% probability level. H atoms are presented as a small spheres of arbitrary radius.
Fig. 2.
Fig. 2.
The packing of (C7H11N2)2ZnCl4, viewed down the a axis. Hydrogen bonds are denoted by dotted lines.
See this image and copyright information in PMC

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