Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C19H17ClN4O2 |
| M r | 368.82 |
| Crystal system, space group | Monoclinic, P21/n |
| Temperature (K) | 293 |
| a, b, c (Å) | 10.5673 (4), 8.0182 (3), 21.2318 (10) |
| β (°) | 95.282 (4) |
| V (Å3) | 1791.35 (13) |
| Z | 4 |
| Radiation type | Mo Kα |
| μ (mm−1) | 0.24 |
| Crystal size (mm) | 0.5 × 0.08 × 0.07 |
| Data collection | |
| Diffractometer | Oxford Diffraction Xcalibur3 CCD |
| Absorption correction | Multi-scan (CrysAlis RED; Oxford Diffraction, 2005 ▸) |
| T min, T max | 0.890, 0.982 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 10913, 3475, 1534 |
| R int | 0.046 |
| (sin θ/λ)max (Å−1) | 0.617 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.040, 0.053, 1.05 |
| No. of reflections | 3475 |
| No. of parameters | 236 |
| H-atom treatment | H-atom parameters constrained |
| Δρmax, Δρmin (e Å−3) | 0.14, −0.19 |