Table 2. Computed Properties of O Adatoms on the SnO2 Surfaces in the Peroxide-like Configurations.
| SnO2 facet | adsorption position | number of extra electrons | net Bader charge on O2 unit (e) | magnetic moment (μB) | O–O bond length (Å) |
|---|---|---|---|---|---|
| (110) | L | 0 | 1.18 | 0 | 1.49 |
| S | 0 | 1.24 | 0 | 1.53 | |
| (100) | S1 | 0 | 1.18 | 0 | 1.54 |
| S2 | 0 | 1.26 | 0 | 1.50 | |
| (101) | L | 0 | 1.17 | 0 | 1.48 |
| S | 0 | 1.10 | 0 | 1.48 |