1,3,4-Triphenyl-7-trifluoromethyl-1H-pyrazolo[3,4-b]quinoline at 293 and 100 K.

In the structure of the title compound, C29H18F3N3, belonging to the space group P65 (or P61), three symmetry-independent mol­ecules are arranged in two chains, with two mol­ecules alternating along the 32 axes, whereas the remaining mol­ecule forms a chain along [0001] due to the 65 screw axis. The conformation of each of the mol­ecules is stabilized by an intra­molecular C—H⋯N hydrogen bond, with C⋯N distances in the range 2.964 (6)–3.069 (5) A at room temperature (293 K) and 2.943 (4)–3.084 (4) A at low temperature (100 K). One mol­ecule has its –CF3 group ordered even at 293 K, which can be explained only by considering its involvement in two weak inter­molecular C—H⋯F inter­actions, with C⋯F distances in the range 3.084 (6)–3.302 (5) A at 293 K and 3.070 (3)–3.196 (3) A at 100 K, and also a C—F⋯N inter­action, with a C⋯N distance of 3.823 (5) A at 293 K and 3.722 (4) A at 100 K. The trifluoro­methyl groups in the two remaining mol­ecules are disordered at 293 K, whereas at 100 K the continuous (dynamic) positional disorder of one of the –CF3 groups (of the mol­ecule forming the chain along [0001]) is totally eliminated while the –CF3 group disorder remains for the third mol­ecule.