| Formula | HgNNbO2 |
| Reduced formula | HgNNbO2 |
| Stoichiometry | ABCD2 |
| Number of species | 4 |
| Number of atoms | 5 |
| Unique ID | 3 |
| Unit cell volume [Å3] | 70.421 |
| A-ion in the cubic perovskite | Hg |
| B-ion in the cubic perovskite | Nb |
| Anion combination in the perovskite | O2N |
| Direct bandgap GLLB-SC [eV] | 1.600 |
| Indirect bandgap GLLB-SC [eV] | 1.000 |
| Heat of formation [eV] | 0.540 |
| General formula | ABO2N |
| Direct position of the conduction band edge | 5.333 |
| Indirect position of the conduction band edge | 5.603 |
| Direct position of the valence band edge | 6.913 |
| Indirect position of the valence band edge | 6.643 |
| Standard energy | -3.707 |
| Energy [eV] | -31.495 |