Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3A⋯O1iii	0.86	2.01	2.864 (12)	176
N3—H3B⋯N1	0.86	2.40	2.758 (12)	105
N3—H3B⋯N1iv	0.86	2.54	3.198 (12)	134

Symmetry codes: (iii) ; (iv) .