Table 1. Hydrogen-bond geometry (, ).
Cg2 and Cg3 are the centroids of rings C4C8/C13 and C8C13, respectively.
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| O2H2ON1 | 0.87(2) | 1.79(2) | 2.5681(14) | 148.0(19) |
| N2H2N Cg3i | 0.88(2) | 2.56(2) | 3.1811(13) | 128.1(14) |
| C3H3A Cg2i | 1.00 | 2.80 | 3.5306(15) | 130 |
| C12H12AO2ii | 0.95 | 2.54 | 3.4488(17) | 161 |
Symmetry codes: (i)
; (ii)
.