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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯X1	0.88	2.61	3.325 (2)	139
N1—H1⋯X2	0.88	2.83	3.475 (2)	132

Symmetry codes: .