Table 2. Hydrogen-bond geometry (Å, °) for 2 .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C1—H1⋯O1i | 0.98 | 2.38 | 3.352 (6) | 173 |
| C3—H3B⋯O1i | 0.97 | 2.48 | 3.444 (5) | 171 |
Symmetry code: (i) 
.
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