| C16H20N2O6 | Z = 2 |
| Mr = 336.34 | F(000) = 356 |
| Triclinic, P1 | Dx = 1.324 Mg m−3 |
| a = 7.951 (3) Å | Mo Kα radiation, λ = 0.71073 Å |
| b = 10.249 (3) Å | Cell parameters from 20 reflections |
| c = 11.109 (4) Å | θ = 5.4–6.7° |
| α = 76.70 (3)° | µ = 0.10 mm−1 |
| β = 77.42 (3)° | T = 292 K |
| γ = 76.50 (2)° | Block, colourless |
| V = 843.7 (5) Å3 | 0.50 × 0.46 × 0.40 mm |