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

Cg1 is the centroid of the C7–C12 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C11—H11⋯O1i	0.95	2.37	3.294 (3)	166
C1—H1b⋯Cg1ii	0.98	2.84	3.624 (2)	137
C15—H15⋯Cg1iii	0.95	2.88	3.459 (2)	120

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