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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯Br2	0.86	2.64	3.067 (2)	112
N1—H1A⋯Br2i	0.86	2.91	3.380 (3)	117
N1—H1B⋯Br1	0.86	2.67	3.099 (3)	112

Symmetry code: (i) .