Octahedra volume ( \AA^{3}), selected bond lengths ( \AA) and angles (deg) for {\operatorname{SrPr} M R u \mathrm{O}_{6}}(M=\mathrm{Zn}, \mathrm{Co}, \mathrm{Mg}, \mathrm{Ni}) at room temperature, refining all mode amplitudes.
| M | Zn | Co | Mg | Ni |
|---|---|---|---|---|
| \mathrm{Sr} / \mathrm{PrO}_{12} polyhedra | ||||
| Sr/Pr-O1 | 2.50(1) | 2.52(1) | 2.49(1) | 2.45(1) |
| Sr/Pr-O1 | 2.65(1) | 2.69(1) | 2.67(1) | 2.69(1) |
| \mathrm{Sr} / \mathrm{Pr}-\mathrm{O} 1 | 2.81(1) | 2.74(1) | 2.79(1) | 2.76(1) |
| Sr/Pr-O1 | 3.26(1) | 3.21(1) | 3.20(1) | 3.25(1) |
| \mathrm{Sr} / \mathrm{Pr}-\mathrm{O} 2 | 2.40(1) | 2.42(1) | 2.43(1) | 2.47(1) |
| \mathrm{Sr} / \mathrm{Pr}-\mathrm{O} 2 | 2.71(1) | 2.70(1) | 2.74(1) | 2.71(1) |
| \mathrm{Sr} / \mathrm{Pr}-\mathrm{O} 2 | 2.76(1) | 2.74(1) | 2.74(1) | 2.73(1) |
| Sr/Pr-O2 | 3.37(1) | 3.32(1) | 3.26(1) | 3.23(1) |
| Sr/Pr-O3 | 2.44(1) | 2.43(1) | 2.48(1) | 2.44(1) |
| Sr/Pr-O3 | 2.56(1) | 2.59(1) | 2.63(1) | 2.58(1) |
| Sr/Pr-O3 | 3.09(1) | 3.04(1) | 2.98(1) | 3.01(1) |
| Sr/Pr-O3 | 3.16(1) | 3.14(1) | 3.10(1) | 3.12(1) |
| M \mathrm{O}_{6} octahedra | ||||
| \mathrm{V}\left(\mathrm{MO}_{6}\right) | 11.41(2) | 11.16(2) | 10.97(2) | 10.94(1) |
| M-\mathrm{O} 1(\times 2) | 2.038(6) | 2.027(8) | 2.019(7) | 2.015(7) |
| M-O2( \times 2 ) | 2.045(6) | 2.028(8) | 2.041(7) | 2.013(7) |
| M-\mathrm{O} 3(\times 2) | 2.059(9) | 2.039(8) | 2.00(1) | 2.022(6) |
| \langle M-\mathrm{O}\rangle | 2.047(3) | 2.031(3) | 2.020(3) | 2.017(3) |
| Predicted distance | 2.1105 | 2.0985 | 2.0995 | 2.0605 |
| \mathrm{RuO}_{6} octahedra | ||||
| \mathrm{V}\left(\mathrm{RuO}_{6}\right) | 10.38(1) | 10.23(2) | 10.27(1) | 10.24(2) |
| Ru-O1(x2) | 1.984(6) | 1.961(8) | 1.965(7) | 1.990(7) |
| \mathrm{Ru}-\mathrm{O} 2(\times 2) | 2.004(6) | 1.992(8) | 1.971(7) | 1.972(7) |
| \mathrm{Ru}-\mathrm{O} 3(\times 2) | 1.959(9) | 1.965(8) | 1.99(1) | 1.960(6) |
| \langle\mathrm{Ru}-\mathrm{O}\rangle | 1.983(3) | 1.972(3) | 1.975(3) | 1.974(3) |
| Predicted distance | 1.9675 | 1.9675 | 1.9675 | 1.9675 |
| \angle \mathrm{O} 1-M-\mathrm{O} 2 | 93.6(2) | 92.3(2) | 93.9(2) | 89.9(2) |
| \angle \mathrm{O} 1-M-\mathrm{O} 3 | 90.2(2) | 91.7(2) | 90.3(2) | 89.4(2) |
| \angle \mathrm{O} 2-M-\mathrm{O} 3 | 90.7(2) | 90.5(2) | 89.7(2) | 90.6(2) |
| \langle\angle \mathrm{O}-M-\mathrm{O}\rangle | 91.5(2) | 91.5(2) | 91.3(2) | 90.0(2) |
| LO1-Ru-O2 | 88.4(2) | 89.7(2) | 87.9(2) | 92.3(2) |
| /O1-Ru-O3 | 89.1(2) | 91.5(2) | 89.7(2) | 88.9(2) |
| \angle \mathrm{O} 2-\mathrm{Ru}-\mathrm{O} 3 | 89.8(2) | 90.3(2) | 90.4(2) | 89.4(2) |
| \langle\angle \mathrm{O}-\mathrm{Ru}-\mathrm{O}\rangle | 89.1(2) | 90.5(2) | 89.3(2) | 90.2(2) |
| \angle M-\mathrm{O} 1-\mathrm{Ru} | 157.7(2) | 160.5(2) | 161.1(3) | 156.3(2) |
| \angle M-\mathrm{O} 2-\mathrm{Ru} | 154.1(2) | 155.8(2) | 156.7(3) | 159.3(2) |
| \angle M-\mathrm{O} 3-\mathrm{Ru} | 157.0(1) | 157.0(1) | 159.2(1) | 158.8(2) |
| \langle\angle M-\mathrm{O}-\mathrm{Ru}\rangle | 156.3(2) | 157.8(2) | 159.0(2) | 158.1(2) |