Main bond distances ( \AA) for \mathrm{Sr}_{2} \mathrm{Mn}^{2+} \mathrm{WO}_{6} and \mathrm{Sr}_{2} \mathrm{Mn}^{3+} \mathrm{WO}_{6+\delta} from XRPD at room temperature.
| \mathrm{Sr}_{2} \mathrm{Mn}^{2+} \mathrm{WO}_{6} | \mathrm{Sr}_{2} \mathrm{Mn}^{3+} \mathrm{WO}_{6+\delta} | |
|---|---|---|
| Mn-O1 | 2.139(3) ( × \times 2 ) | 2.076(1) ( \times 2 ) |
| \mathrm{Mn}-\mathrm{O} 2 | 2.145(8)(\times 2) | 2.024(7) (×4) |
| \mathrm{Mn}-\mathrm{O} 3 | 2.144(8) ( × \times ) | - |
| Average distance | 2.143(9) | 2.041(2) |
| Predicted distance | 2.196 | 2.046 |
| W-O1 | 1.926(3) ( \times 2 ) | 1.930(1) (\times 2) |
| W-O2 | 1.931(8) (×2) | 1.986(7)( × 4) |
| W-O3 | 1.938(8) ( × \times ) | - |
| Average distance | 1.932(9) | 1.967(2) |
| Predicted distance | 1.917 | 1.946 |