Abstract
The title compound, C12H9N3, is an unhydrated analogue of the previously reported trihydrate. The molecule is essentially planar, with a 3.62 (11)° angle between the pyridine and benzimidazole planes. In the crystal, N—H⋯N hydrogen bonds result in chains of molecules parallel to [010], which are additionally linked by weak π–π stacking interactions [centroid–centroid distance = 3.7469 (17) Å], resulting in extended sheets of molecules parallel to (103).
Highlights
The title compound, C12H9N3, is an unhydrated analogue of the previously reported trihydrate
N—HÁ Á ÁN hydrogen bonds result in chains of molecules parallel to [010], which are linked by weak – stacking interactions [centroid–centroid distance = 3.7469 (17) A ], resulting in extended sheets of molecules parallel to (103)
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: IM2430)
Summary
Key indicators: single-crystal X-ray study; T = 200 K; mean (C–C) = 0.003 A; R factor = 0.046; wR factor = 0.128; data-to-parameter ratio = 12.1. The title compound, C12H9N3, is an unhydrated analogue of the previously reported trihydrate. The molecule is essentially planar, with a 3.62 (11) angle between the pyridine and benzimidazole planes. N—HÁ Á ÁN hydrogen bonds result in chains of molecules parallel to [010], which are linked by weak – stacking interactions [centroid–centroid distance = 3.7469 (17) A ], resulting in extended sheets of molecules parallel to (103). Related literature For the structure of the trihydrate of the title compound, see: Huang et al (2004)
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