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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O7—H7⋯O5i	0.82	2.49	3.018 (4)	123
O7—H7⋯O3i	0.82	2.29	3.083 (4)	163

Symmetry code: (i) .