Table 2. Five references used in this study for comparison with respective measurements and their structural characteristics.
| V oxidation state | V coordination | |
|---|---|---|
| V2O3 | V3+ | Octahedral (Scordari, 1992 ▸) |
| VO2 | V4+ | Octahedral (Scordari, 1992 ▸) |
| VOSO4 | V4+ | Distorted octahedral (Fehrmann et al., 1989 ▸; Tachez et al., 1979 ▸) |
| V2O5 | V5+ | Fivefold (Nabavi et al., 1990 ▸) |
| NH4VO3 | V5+ | Tetrahedral (Nabavi et al., 1990 ▸; Pérez-Benítez & Bernès, 2018 ▸) |