Table 5. Experimental details.
| Crystal data | |
| Chemical formula | C18H16N2O2 |
| M r | 292.33 |
| Crystal system, space group | Orthorhombic, P b c a |
| Temperature (K) | 293 |
| a, b, c (Å) | 12.7245 (7), 9.5887 (6), 23.7276 (14) |
| V (Å3) | 2895.0 (3) |
| Z | 8 |
| Radiation type | Mo Kα |
| μ (mm−1) | 0.09 |
| Crystal size (mm) | 0.52 × 0.10 × 0.04 |
| Data collection | |
| Diffractometer | Rigaku XtaLAB PRO |
| Absorption correction | Multi-scan (CrysAlis PRO; Rigaku OD, 2018 ▸) |
| T min, T max | 0.390, 1.000 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 16885, 3499, 2640 |
| R int | 0.036 |
| (sin θ/λ)max (Å−1) | 0.682 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.045, 0.118, 1.04 |
| No. of reflections | 3496 |
| No. of parameters | 207 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) | 0.20, −0.21 |