Acta Cryst. (2013). E69, m217 [ doi:10.1107/S1600536813006806 ]
Abstract: The asymmetric unit of the title compound, (C5H8N2)2[SnCl6]Cl2, consists of one 3-azaniumylpyridin-1-ium dication and one chloride ion in a general position and a hexachloridostannate(IV) dianion lying about a centre of inversion. The [SnCl6]2- anion exhibits almost perfect octahedral geometry. The 3-azaniumylpyridin-1-ium and chloride ions are connected via medium-strong charge-supported N-HCl hydrogen bonds, forming undulating layers in the (110) plane. The [SnCl6]2- ions are located between these layers and occupy cavities formed by two facing layer puckers.
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