| C6H6N4O4 | Z = 2 |
| Mr = 198.15 | F(000) = 204 |
| Triclinic, P1 | Dx = 1.740 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
| a = 7.1294 (6) Å | Cell parameters from 1322 reflections |
| b = 7.1770 (9) Å | θ = 3.4–25.1° |
| c = 9.1289 (8) Å | µ = 0.15 mm−1 |
| α = 67.710 (6)° | T = 295 K |
| β = 86.692 (6)° | Block, colourless |
| γ = 62.214 (5)° | 0.23 × 0.21 × 0.19 mm |
| V = 378.30 (7) Å3 |