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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1i	0.999 (16)	1.778 (15)	2.764 (1)	168.7 (18)

Symmetry code: (i) .