Received 29 October 2007
aOrdnance Technology Institute, Ordnance Engineering College, Shijiazhuang 050003, People's Republic of China, and bCollege of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, People's Republic of China
Correspondence e-mail: firstname.lastname@example.org
In the title compound, C6H4ClF3N2, an intermediate in the synthesis of the fungicide fluazinam, the F atoms of the trifluoromethyl group are disordered over two sites in a 0.683 (14):0.317 (14) ratio. In the crystal structure, centrosymmetric dimers arise from pairs of N-HN hydrogen bonds.
Data collection: SMART (Bruker, 1997); cell refinement: SAINT (Bruker, 1997); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 1997); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB2620 ).
The authors thank the fund of the Ordnance Technology Institute for support.
Bruker (1997). SADABS (Version 2.0), SMART (Version 5.611), SAINT (Version 6.0) and SHELXTL (Version 5.10). Bruker AXS Inc., Madison, Wisconsin, USA.
Guo, Z.-J., Miyoshi, H., Komyoji, T., Haga, T. & Fujita, T. (1991). Biochim. Biophys. Acta, 1056, 89-92.
Sheldrick, G. M. (1997). SHELXS97 and SHELXL97. University of Göttingen, Germany.