Table 2. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| O3H18O2i | 0.83(5) | 1.95(5) | 2.776(4) | 173(4) |
| O3H19O1 | 0.76(4) | 2.13(4) | 2.871(4) | 168(4) |
Symmetry code: (i) 
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