Table 1. Hydrogen-bond geometry (, ).
Cg is the centroid of the N1/C11C13/N2/C14 pyrimidine ring.
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N1H1NO6i | 0.86 | 1.95 | 2.812(2) | 178 |
| N2H2NO4ii | 0.86 | 2.37 | 3.160(2) | 153 |
| C17H17C Cg iii | 0.96 | 2.83 | 3.676(4) | 147 |
| C10H10AO1 | 0.97 | 2.14 | 2.864(3) | 131 |
Symmetry codes: (i)
; (ii)
; (iii)
.