| C7H8NO2+·C5H3N2O2− | F(000) = 272 |
| Mr = 261.24 | Dx = 1.529 Mg m−3 |
| Monoclinic, Pc | Mo Kα radiation, λ = 0.71073 Å |
| a = 5.95842 (16) Å | Cell parameters from 5674 reflections |
| b = 3.73769 (10) Å | θ = 3.2–30.9° |
| c = 25.5943 (6) Å | µ = 0.12 mm−1 |
| β = 95.362 (2)° | T = 150 K |
| V = 567.51 (3) Å3 | Block, light colourless |
| Z = 2 | 0.24 × 0.19 × 0.18 mm |