| C7H6N4O3 | F(000) = 800 |
| Mr = 194.16 | Dx = 1.601 Mg m−3 |
| Monoclinic, C2/c | Cu Kα radiation, λ = 1.54178 Å |
| a = 15.3747 (4) Å | Cell parameters from 5261 reflections |
| b = 4.6699 (1) Å | θ = 3.9–74.4° |
| c = 23.0423 (5) Å | µ = 1.11 mm−1 |
| β = 103.122 (1)° | T = 296 K |
| V = 1611.20 (6) Å3 | Block, colourless |
| Z = 8 | 0.24 × 0.18 × 0.11 mm |