Table 1. Hydrogen-bond geometry (Å, °).

Cg1 and Cg2 are the centroids of the C13—C18 and C7–C12 benzene rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1A⋯O2i	0.95	2.57	3.310 (3)	135
C1—H1A⋯Cg1ii	0.95	2.76	3.367 (3)	123
C19—H19A⋯Cg2iii	0.98	2.62	3.466 (2)	144

Symmetry codes: (i) ; (ii) ; (iii) .