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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1i	0.90 (2)	1.94 (2)	2.823 (1)	166 (1)

Symmetry code: (i) .