| C18H14N2O | F(000) = 576 | 
| Mr = 274.31 | Dx = 1.314 Mg m−3 | 
| Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å | 
| Hall symbol: -P 2yn | Cell parameters from 2335 reflections | 
| a = 8.2574 (14) Å | θ = 2.5–32.7° | 
| b = 18.961 (3) Å | µ = 0.08 mm−1 | 
| c = 9.0914 (15) Å | T = 150 K | 
| β = 102.962 (4)° | Block, yellow | 
| V = 1387.1 (4) Å3 | 0.12 × 0.08 × 0.04 mm | 
| Z = 4 |