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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2⋯O1i	0.83 (2)	1.82 (2)	2.6337 (16)	168 (2)

Symmetry code: (i) .