Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| C6H6AO1i | 0.99 | 2.60 | 3.515(2) | 154 |
| C8H8O1ii | 0.95 | 2.47 | 3.353(2) | 155 |
| C14H14O1ii | 0.95 | 2.55 | 3.410(2) | 151 |
Symmetry codes: (i) 
; (ii) 
.
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