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

Cg1 and Cg2 are the centroids of the C2–C5/C5^vii/C6^vii and C5/C6/C2^vii–C5^vii rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C4—H4⋯O1iv	0.95	2.39	3.307 (4)	161
C12—H12⋯O3v	0.95	2.63	3.548 (4)	156
C16—H16⋯Cg1vi	0.95	2.99	3.520 (17)	114
C16—H16⋯Cg2vii	0.95	2.99	3.520 (17)	114

Symmetry codes: (iv) ; (v) ; (vi) ; (vii) .