Acta Cryst. (2007). E63, o3949 [ doi:10.1107/S1600536807041967 ]
Abstract: In the molecule of the title compound, C21H15FN4O3, intramolecular C-HO and C-HF hydrogen bonds result in the formation of one six- and one five-membered ring. In the crystal structure, intermolecular C-HO hydrogen bonds link the molecules into chains along the a axis. The packing is further stabilized by - interactions [centroid-centroid distance 3.632 (2) Å].
Copyright © International Union of Crystallography