Table 1. Dihedral angles (°) between planes.
| Planes | Dihedral angle |
|---|---|
| C6–C10 vs C11–C16 | 23.37 (12) |
| C11–C16 vs N1/C17/N2/C11 | 45.39 (7) |
| N1/C17/N2/C11 vs C18–C23 | 9.09 (13) |
| C18–C23 vs C24–C28 | 9.08 (15) |
| Planes | Dihedral angle |
|---|---|
| C6–C10 vs C11–C16 | 23.37 (12) |
| C11–C16 vs N1/C17/N2/C11 | 45.39 (7) |
| N1/C17/N2/C11 vs C18–C23 | 9.09 (13) |
| C18–C23 vs C24–C28 | 9.08 (15) |