| C21H16N2O | F(000) = 2624 |
| Mr = 312.36 | Dx = 1.240 Mg m−3 |
| Orthorhombic, F2dd | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: F -2d 2 | Cell parameters from 2807 reflections |
| a = 8.1653 (3) Å | θ = 2.7–27.3° |
| b = 27.6113 (11) Å | µ = 0.08 mm−1 |
| c = 29.6818 (13) Å | T = 150 K |
| V = 6691.9 (5) Å3 | Prism, yellow |
| Z = 16 | 0.55 × 0.29 × 0.24 mm |
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