Table 1. Hydrogen-bond geometry (, ).
Cg1 and Cg2 are the centroids of rings C1C6 and C8C13, respectively.
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| O2H1O2N1 | 0.774(18) | 2.078(17) | 2.6315(11) | 128.7(17) |
| C14H14BO2i | 0.96 | 2.71 | 3.2876(12) | 119 |
| C2H2A Cg2ii | 0.93 | 2.93 | 3.5662(9) | 127 |
| C13H13A Cg1iii | 0.93 | 2.76 | 3.4671(9) | 134 |
Symmetry codes: (i)
; (ii)
; (iii)
.