| C18H18O5 | F000 = 664 |
| Mr = 314.33 | Dx = 1.304 Mg m−3 |
| Orthorhombic, P212121 | Mo Kα radiation λ = 0.71073 Å |
| Hall symbol: P 2ac 2ab | Cell parameters from 1213 reflections |
| a = 7.4773 (16) Å | θ = 3.2–26.1º |
| b = 11.661 (2) Å | µ = 0.10 mm−1 |
| c = 18.417 (4) Å | T = 298 (2) K |
| V = 1605.8 (6) Å3 | Prism, colourless |
| Z = 4 | 0.40 × 0.30 × 0.20 mm |