| C10H15N2+·C8H7O3−·H2O | Z = 2 |
| Mr = 332.39 | F(000) = 356 |
| Triclinic, P1 | Dx = 1.284 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
| a = 6.2039 (4) Å | Cell parameters from 2855 reflections |
| b = 7.5565 (7) Å | θ = 3.1–27.8° |
| c = 18.614 (1) Å | µ = 0.09 mm−1 |
| α = 81.799 (7)° | T = 293 K |
| β = 87.020 (7)° | Prism, colourless |
| γ = 84.852 (7)° | 0.48 × 0.48 × 0.32 mm |
| V = 859.53 (11) Å3 |