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

Cg is the centroid of the C17–C22 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C3—H3⋯O1i	0.98	2.58	3.417 (3)	143
C6—H6⋯O5ii	0.93	2.57	3.328 (3)	139
C12—H12⋯O3iii	0.93	2.57	3.495 (4)	176
C16—H16A⋯Cg iv	0.97	2.70	3.649 (3)	166

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