| Total concentration of Eu2+ (x) | Lattice constants (Å) | Occupancy of Eu2+ | ||||
| a | b | c | Total (Refinement) | Sr(1) site | Sr(2) site | |
| 0.10 | 7.1017 | 5.6724 | 9.7458 | 0.09 | 0.06 | 0.03 |
| 0.80 | 7.1090 | 5.6706 | 9.7502 | 0.70 | 0.38 | 0.32 |