Table 2. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| C9H9BO1 | 0.97 | 2.54 | 3.198(4) | 125 |
| C2H2AO8i | 0.97 | 2.52 | 3.476(4) | 168 |
| C5H5BO4ii | 0.97 | 2.48 | 3.428(4) | 166 |
| O7H71O1iii | 0.82 | 1.91 | 2.720(3) | 169 |
| O7H72O8 | 0.82 | 1.83 | 2.627(3) | 164 |
| O8H81O2iii | 0.82 | 1.94 | 2.747(4) | 166 |
| O8H82O9 | 0.82 | 1.96 | 2.734(4) | 157 |
| O9H91O5iv | 0.82 | 2.33 | 3.074(4) | 151 |
| O9H92O6v | 0.82 | 2.33 | 3.033(4) | 144 |
Symmetry codes: (i)
; (ii)
; (iii)
; (iv)
; (v)
.