Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C3H5N2 +·C6H2N3O7 −·C3H4N2 |
| M r | 365.28 |
| Crystal system, space group | Monoclinic, P21/c |
| Temperature (K) | 298 |
| a, b, c (Å) | 4.2447 (14), 16.950 (5), 21.839 (7) |
| β (°) | 92.029 (6) |
| V (Å3) | 1570.3 (9) |
| Z | 4 |
| Radiation type | Mo Kα |
| μ (mm−1) | 0.13 |
| Crystal size (mm) | 0.45 × 0.06 × 0.04 |
| Data collection | |
| Diffractometer | Bruker SMART CCD |
| Absorption correction | Multi-scan (SADABS; Sheldrick, 1996 ▸) |
| T min, T max | 0.736, 0.875 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 12038, 3086, 1787 |
| R int | 0.050 |
| (sin θ/λ)max (Å−1) | 0.617 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.057, 0.157, 0.98 |
| No. of reflections | 3086 |
| No. of parameters | 248 |
| No. of restraints | 4 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) | 0.18, −0.16 |