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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯Br1i	0.84 (3)	2.46 (3)	3.246 (2)	158 (3)
C2—H2A⋯Br1ii	0.93	2.84	3.723 (4)	159
C3—H3⋯Br1iii	0.93	2.91	3.757 (3)	152
C4—H4B⋯Br1	0.96	2.87	3.737 (3)	151
C5—H5B⋯Br1iv	0.97	2.89	3.814 (3)	161

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