| Atom | Site | ξ | η | ζ |
| Cr | 3d |
| 0 |
|
| 0 |
|
| ||
|
|
|
| ||
| Si | 6j | x | 2x |
|
| −x | −2x |
| ||
| 2x | x |
| ||
| −2x | −x |
| ||
| x | −x |
| ||
| −x | x |
|