Table 2. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| O2H2O1i | 0.93(5) | 1.71(5) | 2.626(3) | 170(5) |
| O4H4AO3ii | 0.93(5) | 1.70(5) | 2.635(3) | 179(4) |
Symmetry codes: (i) 
; (ii) 
.
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