{"success":true,"data":{"mp_id":"mp-1205834","type":"HEA","summary":{"mp_id":"mp-1205834","formula":"Er2Al4NiGe2","nelements":4,"nsites":9,"density":6.55574,"volume":163.73452,"energy_above_hull":0,"formation_energy_per_atom":-0.61901,"energy_per_atom":-4.96834,"is_stable":true,"uncorrected_energy_per_atom":-4.96834,"last_updated":"2025-09-23 22:50:57.975000+00:00","deprecated":false,"possible_species":[],"crystal_system":"Tetragonal","space_group":"I4\/mmm","space_group_num":139,"point_group":"4\/mmm","a":10.0656,"b":10.0656,"c":10.0656,"alpha":156.3665,"beta":156.3665,"gamma":33.6687,"volume_cell":163.73452,"volume_per_atom":18.19272,"c_over_a":1,"b_over_a":1,"Bravais_Lattice":"aP","Lattice_Type_Detail":"Triclinic","Lattice_Centering":"Body-Centered","Is_FCC":false,"Is_BCC":false,"Is_HCP":false,"packing_fraction":null},"elasticity":{"available":false},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null,"vbm":null},"magnetic":{"total_magnetization":0.00028,"total_mag_norm_vol":0,"num_magnetic_sites":0,"ordering":"NM","is_magnetic":false},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-1921119","mp-1921119","mp-1921119"],"raw_refs":[],"mp_task_ids":["mp-1921119","mp-2109331","mp-2307659","mp-1751706","mp-1205834","mp-1388767","mp-1623435"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-1205834"}}}