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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H2⋯Br1	0.86	2.45	3.278 (7)	163
N1—H3⋯Br1i	0.86	2.43	3.271 (5)	165

Symmetry code: (i) .