Table 2. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| C9H9O2i | 0.93 | 2.37 | 3.177(12) | 145 |
| C16H16O2 | 0.93 | 2.59 | 3.324(17) | 136 |
| C25H25O1ii | 0.93 | 2.48 | 3.358(12) | 157 |
| C51H51O4iii | 0.93 | 2.22 | 3.07(2) | 151 |
| C67H67O3iv | 0.93 | 2.19 | 3.01(2) | 147 |
Symmetry codes: (i)
; (ii)
; (iii)
; (iv)
.