T. Shahani, H. Fun, R. Ragavan
Nov 20, 2010
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
In the title compound, C21H17ClFN3O2, the 1H-pyrazole ring makes dihedral angles of 36.73 (7), 18.73 (7) and 60.88 (8)°, respectively, with the mean planes of the chlorophenyl, 4-oxopiperidine and fluorophenyl rings. The molecular structure is stabilized by an intramolecular C—H⋯N hydrogen bond, which forms an S(6) ring motif. In the crystal, intermolecular C—H⋯O hydrogen bonds link molecules into chains along [101]. In addition, intermolecular C—H⋯F hydrogen bonds with an R 2 1(7) ring motif connect neighbouring chains into layers parallel to the ac plane.