Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C21H22N2O4 |
| M r | 366.40 |
| Crystal system, space group | Monoclinic, P21/c |
| Temperature (K) | 150 |
| a, b, c (Å) | 13.8608 (5), 8.8352 (3), 15.5411 (6) |
| β (°) | 98.468 (1) |
| V (Å3) | 1882.46 (12) |
| Z | 4 |
| Radiation type | Mo Kα |
| μ (mm−1) | 0.09 |
| Crystal size (mm) | 0.46 × 0.37 × 0.26 |
| Data collection | |
| Diffractometer | Bruker D8 QUEST PHOTON 3 |
| Absorption correction | Numerical (SADABS; Krause et al., 2015 ▸) |
| T min, T max | 0.95, 0.98 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 101980, 6815, 5846 |
| R int | 0.035 |
| (sin θ/λ)max (Å−1) | 0.759 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.045, 0.129, 1.07 |
| No. of reflections | 6815 |
| No. of parameters | 254 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) | 0.42, −0.31 |