| U11 | U22 | U33 | U12 | U13 | U23 | |
| Fe1 | 0.00795 (17) | 0.00795 (17) | 0.00795 (17) | −0.00100 (11) | −0.00100 (11) | −0.00100 (11) |
| Li1 | 0.00795 (17) | 0.00795 (17) | 0.00795 (17) | −0.00100 (11) | −0.00100 (11) | −0.00100 (11) |
| Fe2 | 0.00573 (17) | 0.00573 (17) | 0.00573 (17) | 0 | 0 | 0 |
| Ge2 | 0.00573 (17) | 0.00573 (17) | 0.00573 (17) | 0 | 0 | 0 |
| O2 | 0.0095 (3) | 0.0095 (3) | 0.0095 (3) | 0.0010 (3) | 0.0010 (3) | 0.0010 (3) |