Table 3. Experimental details.
| Crystal data | |
| Chemical formula | C15H12N2O3 |
| M r | 268.27 |
| Crystal system, space group | Monoclinic, C2/c |
| Temperature (K) | 296 |
| a, b, c (Å) | 17.436 (2), 7.2485 (7), 20.595 (2) |
| β (°) | 99.181 (4) |
| V (Å3) | 2569.6 (5) |
| Z | 8 |
| Radiation type | Mo Kα |
| μ (mm−1) | 0.10 |
| Crystal size (mm) | 0.49 × 0.15 × 0.06 |
| Data collection | |
| Diffractometer | Bruker APEXII CCD |
| Absorption correction | Multi-scan (SADABS; Krause et al., 2015 ▸) |
| Tmin, Tmax | 0.629, 0.745 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 12800, 2427, 1463 |
| R int | 0.085 |
| (sin θ/λ)max (Å−1) | 0.616 |
| Refinement | |
| R[F2 > 2σ(F 2)], wR(F 2), S | 0.073, 0.152, 1.01 |
| No. of reflections | 2427 |
| No. of parameters | 187 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) | 0.18, −0.18 |