Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C5—H5⋯O1i | 0.95 | 2.49 | 3.420 (3) | 165 |
| C9—H9C⋯O2ii | 0.98 | 2.48 | 3.294 (3) | 141 |
Symmetry codes: (i) 
; (ii) 
.
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