Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C5—H5⋯O3i | 0.93 | 2.57 | 3.350 (5) | 142 |
| O1—H2⋯O2 | 0.99 (7) | 1.51 (7) | 2.413 (4) | 149 (6) |
Symmetry code: (i) 
.
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