Table 4. Experimental details.
| Crystal data | |
| Chemical formula | C20H15NO3 |
| M r | 317.33 |
| Crystal system, space group | Monoclinic, P21/n |
| Temperature (K) | 150 |
| a, b, c (Å) | 8.2284 (3), 13.7693 (4), 13.9230 (4) |
| β (°) | 96.155 (1) |
| V (Å3) | 1568.37 (9) |
| Z | 4 |
| Radiation type | Mo Kα |
| μ (mm−1) | 0.09 |
| Crystal size (mm) | 0.44 × 0.35 × 0.32 |
| Data collection | |
| Diffractometer | Bruker D8 QUEST PHOTON 3 diffractometer |
| Absorption correction | Numerical (SADABS; Krause et al., 2015 ▸) |
| T min, T max | 0.93, 0.97 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 80207, 6020, 5304 |
| R int | 0.025 |
| (sin θ/λ)max (Å−1) | 0.774 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.046, 0.133, 1.03 |
| No. of reflections | 6020 |
| No. of parameters | 217 |
| H-atom treatment | H-atom parameters constrained |
| Δρmax, Δρmin (e Å−3) | 0.46, −0.21 |