| C20H18O6 | F(000) = 744 |
| Mr = 354.34 | Dx = 1.358 Mg m−3 |
| Orthorhombic, P212121 | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: P 2ac 2ab | Cell parameters from 789 reflections |
| a = 8.5906 (17) Å | θ = 2.2–27.5° |
| b = 11.594 (2) Å | µ = 0.10 mm−1 |
| c = 17.404 (4) Å | T = 173 K |
| V = 1733.4 (6) Å3 | Block, colorless |
| Z = 4 | 0.80 × 0.72 × 0.40 mm |