Table 3. Experimental details.
| Crystal data | |
| Chemical formula | (NH4)(VO2)(VO2)(TeO3) |
| M r | 359.52 |
| Crystal system, space group | Orthorhombic, P n a21 |
| Temperature (K) | 293 |
| a, b, c (Å) | 18.945 (2), 7.0277 (8), 5.4402 (6) |
| V (Å3) | 724.29 (14) |
| Z | 4 |
| Radiation type | Mo Kα |
| μ (mm−1) | 6.52 |
| Crystal size (mm) | 0.17 × 0.02 × 0.02 |
| Data collection | |
| Diffractometer | Bruker SMART1000 CCD |
| Absorption correction | Multi-scan (SADABS; Bruker, 2000 ▶) |
| T min, T max | 0.404, 0.881 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 7528, 2368, 1595 |
| R int | 0.047 |
| (sin θ/λ)max (Å−1) | 0.756 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.040, 0.082, 0.98 |
| No. of reflections | 2368 |
| No. of parameters | 101 |
| No. of restraints | 1 |
| Δρmax, Δρmin (e Å−3) | 0.99, −1.13 |
| Absolute structure | Flack (1983 ▶), 1201 Friedel pairs |
| Absolute structure parameter | 0.5 (1) |