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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3A⋯N2i	0.86	2.13	2.970 (5)	166
N3—H3B⋯N1ii	0.86	2.18	3.025 (4)	166

Symmetry codes: (i) ; (ii) .