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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3N⋯N4i	0.894 (19)	1.892 (19)	2.773 (2)	167.9 (18)

Symmetry code: (i) .