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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯N25	0.83 (3)	2.56 (3)	2.961 (3)	111 (2)
N21—H21⋯O51i	0.91 (3)	1.85 (3)	2.747 (4)	167 (2)
N21—H21⋯O61i	0.91 (3)	1.77 (3)	2.65 (4)	164 (3)
O51—H51⋯O1	0.82	1.94	2.754 (4)	171

Symmetry code: (i) .