| Formula | Fe4Si4 |
| Reduced formula | FeSi |
| Stoichiometry | AB |
| Number of species | 2 |
| Number of atoms | 8 |
| Unique ID | 22 |
| Unit cell volume [Å3] | 88.133 |
| Direct bandgap GLLB-SC. [eV] | 0.409 |
| Indirect bandgap GLLB-SC. [eV] | 0.371 |
| Derivative discontinuity GLLB-SC. [eV] | 0.097 |
| ID of materials in Materials project | 871 |
| ID of materials in ICSD | 633541 |
| Energy [eV] | -58.044 |
| Total magnetic moment [μB] | -0.001 |