| Symmetry | a(Å) | c(Å) | V0(Å3) | Z | Dx(g/cm3) | Comment |
| cubic | 18.25 | - | 6113.93 | 90 | 5.69 | cluster |
| tetragonal | 3.96 | 3.96 | 62.099 | 1 | 6.23 | frustrated |
| 3.90 | 4.08 | 62.057 | 1 | 6.23 | strained | |
| 3.87 | 8.20 | 122.81 | 2 | 6.30 | hypothetical |