| C20H16ClNO | F(000) = 1344 |
| Mr = 321.79 | Dx = 1.346 Mg m−3 |
| Monoclinic, C2/c | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: -C 2yc | Cell parameters from 6848 reflections |
| a = 21.1526 (13) Å | θ = 2.5–29.7° |
| b = 11.5723 (9) Å | µ = 0.24 mm−1 |
| c = 17.1484 (12) Å | T = 193 K |
| β = 130.843 (4)° | Plate, colourless |
| V = 3175.5 (4) Å3 | 0.34 × 0.31 × 0.05 mm |
| Z = 8 |
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