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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1i	0.910 (9)	1.943 (10)	2.844 (2)	170.3 (18)

Symmetry code: (i) .