Received 27 July 2009
In the title salt, C6H8N3+·Cl-, each pyridinecarboximidamidate cation is linked to two symmetry-related cations through N-HN hydrogen bonds, and to two chloride ions by N-HCl hydrogen bonds. The N-HN hydrogen bonds involve the pyridine N atom and one NH2 group. In the crystal, N-HN and N-HCl hydrogen bonds extend the structure into two-dimensional layers. Weak C-HCl interactions further connect these layers into a three-dimensional network.
Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BH2242 ).
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