Received 29 September 2011
The title compound, C6H5N5, is almost planar, the triazole and pyrimidine rings forming a dihedral angle of 2.9 (13)°.
Data collection: SMART (Bruker, 2008); cell refinement: SAINT (Bruker, 2008); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: AA2030 ).
This work was supported financially by Tianjin Normal University (grant No. 5RL090), the Natural Science Foundation of Tianjin (grant No. 11JCYBJC03600) and the Young Scientist Fund (grant No. 52 G10005).
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