{"success":true,"data":{"mp_id":"mp-1222805","type":"HEA","summary":{"mp_id":"mp-1222805","formula":"LaMnFeSi2","nelements":4,"nsites":5,"density":6.04849,"volume":83.96995,"energy_above_hull":0.00889,"formation_energy_per_atom":-0.54262,"energy_per_atom":-7.22635,"is_stable":false,"uncorrected_energy_per_atom":-7.25475,"last_updated":"2025-09-23 22:51:04.259000+00:00","deprecated":false,"possible_species":["Fe2+","La3+","Si4-","Mn3+"],"crystal_system":"Tetragonal","space_group":"I-4m2","space_group_num":119,"point_group":"-42m","a":5.91695,"b":5.91695,"c":5.91695,"alpha":140.2516,"beta":140.2516,"gamma":57.4715,"volume_cell":83.96995,"volume_per_atom":16.79399,"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":2.56137,"total_mag_norm_vol":0.0305,"num_magnetic_sites":2,"ordering":"FM","is_magnetic":true},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-1800233","mp-1800233","mp-1800233"],"raw_refs":[],"mp_task_ids":["mp-1733072","mp-2152379","mp-1222805","mp-2309022","mp-1585351","mp-1800233","mp-1442728"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-1222805"}}}