Table 3. Experimental details.
| Crystal data | |
| Chemical formula | C18H16F3NO7 |
| M r | 415.32 |
| Crystal system, space group | Monoclinic, P21/n |
| Temperature (K) | 150 |
| a, b, c (Å) | 8.7661 (2), 11.2908 (3), 17.5089 (4) |
| β (°) | 96.021 (1) |
| V (Å3) | 1723.41 (7) |
| Z | 4 |
| Radiation type | Mo Kα |
| μ (mm−1) | 0.14 |
| Crystal size (mm) | 0.35 × 0.32 × 0.30 |
| Data collection | |
| Diffractometer | Bruker APEXII CCD |
| Absorption correction | Multi-scan (SADABS; Krause et al., 2015 ▸) |
| T min, T max | 0.942, 0.946 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 11170, 3496, 2739 |
| R int | 0.028 |
| (sin θ/λ)max (Å−1) | 0.626 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.036, 0.091, 1.01 |
| No. of reflections | 3496 |
| No. of parameters | 264 |
| H-atom treatment | H-atom parameters constrained |
| Δρmax, Δρmin (e Å−3) | 0.30, −0.25 |