| Formula | HMn3 |
| Reduced formula | HMn3 |
| Stoichiometry | AB3 |
| Number of species | 2 |
| Number of atoms | 4 |
| Unique ID | 5 |
| Unit cell area [Å2] | 5.329 |
| Surface Material | Mn |
| Adsorbate | H |
| Reference molecule 1 | H2 |
| Adsorption energy with LDA [eV] | 0.091 |
| Adsorption energy with PBE [eV] | 0.412 |
| Adsorption energy with RPBE [eV] | 0.554 |
| Adsorption energy with BEEF-vdW [eV] | 0.559 |
| Adsorption energy with vdW-DF2 [eV] | 0.578 |
| Adsorption energy with mBEEF [eV] | 0.442 |
| Adsorption energy with mBEEF-vdW [eV] | 0.303 |
| Adsorption energy with EXX [eV] | 0.610 |
| RPA correlation adsorption energy extrapolated [eV] | 0.026 |
| Energy [eV] | -30.051 |
| Maximum force [eV/Å] | 1.468 |
| Total magnetic moment [μB] | 0.000 |