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Acta Cryst. (2005). E61, m1590-m1592  [ doi:10.1107/S1600536805022506 ]

[pi]-[pi] Stacking in bis(quinolinium) tetrachlorozincate dihydrate

J. Valdés-Martínez, O. Muñoz and R. A. Toscano

Abstract: The asymmetric unit of the title compound, (C9H8N)2[ZnCl4]·2H2O, consists of one quinolinium cation, one-half of the [ZnCl4]2- anion and one water molecule. The geometry around the Zn atom is approximately tetrahedral, with the Zn atom lying on a twofold axis. The water molecules hydrogen bond to the [ZnCl4]2- anions and the quinolinium cations, forming a two-dimensional network with the cations protruding on both sides of the network and stacking through [pi]-[pi] interactions with adjacent networks.

Online 20 July 2005

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