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
C9—H9⋯Br2i	0.95	2.87	3.744 (2)	154
C11—H11⋯O1ii	0.95	2.27	3.195 (3)	163
C1—H1B⋯Cg1i	0.98	2.86	3.660 (3)	139

Symmetry codes: (i) ; (ii) .