4,6-Bis(4-fluoro-phen-yl)-2-phenyl-1H-indazol-3(2H)-one

Acta Crystallogr Sect E Struct Rep Online. 2011 Jun 1;67(Pt 6):o1346-7. doi: 10.1107/S1600536811016369. Epub 2011 May 7.

Abstract

In the title compound, C(25)H(16)F(2)N(2)O, the pyrazole ring is almost planar (r.m.s. deviation = 0.028 Å) and makes a dihedral angle of 5.86 (11)° with the indazole benzene ring. The dihedral angle between the pyrazole ring and the unsubstituted phenyl ring is 28.19 (11)°. The dihedral angles between the unsubstituted phenyl and the two fluoro-phenyl groups are 57.69 (10) and 18.01 (10)°. In the crystal, mol-ecules are linked by inter-molecular N-H⋯O and C-H⋯F inter-actions, forming infinite chains along the b axis with graph-set motif R(3) (2)(19). The crystal structure is further consolidated by π-π stacking [centroid-centroid distances = 3.5916 (13) and 3.6890 (13) Å] and C-H⋯π inter-actions.