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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3—H3n⋯O3i	0.88	2.23	3.090 (15)	166
N3′—H3n′⋯O3i	0.88	1.94	2.816 (16)	171

Symmetry code: (i) .