| Atom | Site | x | y | z | B_{\text {iso }}\left(\AA^{2}\right) | Occupancy |
|---|---|---|---|---|---|---|
| Sr/La | 4e | 0.0029(7) | 0.0193(2) | 0.2499(8) | 1.14(3) | 0.5/05 |
| Cu1/Ru1 | 2c | 1/2 | 0 | 1/2 | 0.42(8) | 0.89(2)/0.11(2) |
| \mathrm{Ru} 2 / \mathrm{Cu} 2 | 2d | 1/2 | 0 | 0 | 0.56(6) | 0.89(2)/0.11(2) |
| O1 | 4e | 0.287(3) | 0.276(4) | 0.037(4) | 2.10(2) | 1 |
| O2 | 4e | 0.233(4) | -0.218(4) | 0.025(5) | 2.10(2) | 1 |
| O3 | 4e | -0.069(2) | 0.495(2) | 0.257(3) | 2.10(2) | 1 |