Table 3. Hydrogen-bond geometry (Å, °) for C .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C31—H31⋯O33i | 0.95 | 2.35 | 3.147 (3) | 141 |
| C19—H19C⋯O23ii | 0.98 | 2.43 | 3.310 (3) | 149 |
| C16—H16A⋯O23ii | 0.98 | 2.56 | 3.491 (3) | 158 |
Symmetry codes: (i) 
; (ii) 
.
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