Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C2H5N4 +C5H3N2O2 |
| M r | 208.19 |
| Crystal system, space group | Monoclinic, P21/c |
| Temperature (K) | 296 |
| a, b, c () | 7.0599(5), 12.1868(8), 10.8385(6) |
| () | 103.593(4) |
| V (3) | 906.40(10) |
| Z | 4 |
| Radiation type | Mo K |
| (mm1) | 0.12 |
| Crystal size (mm) | 0.09 0.04 0.03 |
| Data collection | |
| Diffractometer | Bruker X8 Kappa CCD APEXII |
| Absorption correction | Multi-scan (SADABS; Sheldrick, 1998 ▸) |
| T min, T max | 0.989, 0.997 |
| No. of measured, independent and observed [I > 2(I)] reflections | 12089, 1858, 1037 |
| R int | 0.077 |
| (sin /)max (1) | 0.625 |
| Refinement | |
| R[F 2 > 2(F 2)], wR(F 2), S | 0.059, 0.133, 1.02 |
| No. of reflections | 1858 |
| No. of parameters | 148 |
| No. of restraints | 5 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| max, min (e 3) | 0.19, 0.20 |