| N/N | x/a | y/b | z/c | B(j) | Occupancy |
|---|---|---|---|---|---|
| 1 | 0.5000 | 0.5000 | 0.2500 | 0.0000 | Al=0.6670, Si=0.3330 |
| 2 | 0.3717 | 0.2661 | 0.0000 | 0.0000 | Si=0.6670, Al=0.3330 |
| 3 | 0.3333 | 0.6667 | 0.2500 | 0.0000 | Mg |
| 4 | 0.4855 | 0.3497 | 0.1443 | 0.0000 | O |
| 5 | 0.2303 | 0.3086 | 0.0000 | 0.0000 | O |
| 6 | 0.0000 | 0.0000 | 0.2500 | 0.0000 | Bi=0.1070 |
| 7 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | Bi=0.0610 |