Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C20H18ClNO2 |
| M r | 339.80 |
| Crystal system, space group | Monoclinic, P21/n |
| Temperature (K) | 292 |
| a, b, c () | 9.5867(5), 15.9077(8), 10.8902(6) |
| () | 94.787(1) |
| V (3) | 1654.99(15) |
| Z | 4 |
| Radiation type | Mo K |
| (mm1) | 0.24 |
| Crystal size (mm) | 0.20 0.18 0.16 |
| Data collection | |
| Diffractometer | Bruker SMART APEX CCD area detector |
| No. of measured, independent and observed [I > 2(I)] reflections | 19078, 3944, 3313 |
| R int | 0.026 |
| (sin /)max (1) | 0.661 |
| Refinement | |
| R[F 2 > 2(F 2)], wR(F 2), S | 0.044, 0.127, 1.02 |
| No. of reflections | 3944 |
| No. of parameters | 219 |
| H-atom treatment | H-atom parameters constrained |
| max, min (e 3) | 0.30, 0.23 |