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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—H2⋯O1i	0.88 (1)	2.001 (9)	2.854 (1)	164 (1)

Symmetry code: (i) .