Table 2. Experimental details.
| Crystal data | |
| Chemical formula | C8H11NO5 |
| M r | 201.18 |
| Crystal system, space group | Orthorhombic, P21212 |
| Temperature (K) | 293 |
| a, b, c () | 7.9337(19), 20.581(5), 5.8405(14) |
| V (3) | 953.7(4) |
| Z | 4 |
| Radiation type | Mo K |
| (mm1) | 0.12 |
| Crystal size (mm) | 0.66 0.39 0.14 |
| Data collection | |
| Diffractometer | Rigaku XtaLAB mini |
| Absorption correction | Multi-scan (REQAB; Rigaku, 1998 ▸) |
| T min, T max | 0.926, 0.984 |
| No. of measured, independent and observed [I > 2(I)] reflections | 9982, 2190, 2042 |
| R int | 0.024 |
| (sin /)max (1) | 0.649 |
| Refinement | |
| R[F 2 > 2(F 2)], wR(F 2), S | 0.034, 0.081, 1.03 |
| No. of reflections | 2190 |
| No. of parameters | 131 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| max, min (e 3) | 0.16, 0.16 |