Table 1. Hydrogen-bond geometry (, ).
Cg is the centroid of benzene ring C1C6.
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N1H1O1 | 0.86 | 2.09 | 2.894(2) | 155 |
| O1H1OO2i | 0.82 | 2.00 | 2.8054(19) | 168 |
| C8H8B Cg ii | 0.97 | 2.79 | 3.632(2) | 146 |
| C22H22A Cg iii | 0.96 | 2.98 | 3.808(3) | 145 |
Symmetry codes: (i)
; (ii)
; (iii)
.