{"success":true,"data":{"mp_id":"mp-1225775","type":"HEA","summary":{"mp_id":"mp-1225775","formula":"Er2Fe17C2","nelements":3,"nsites":21,"density":8.21506,"volume":264.37144,"energy_above_hull":0.01112,"formation_energy_per_atom":-0.06734,"energy_per_atom":-8.23818,"is_stable":false,"uncorrected_energy_per_atom":-8.23818,"last_updated":"2025-09-23 22:43:05.145000+00:00","deprecated":false,"possible_species":[],"crystal_system":"Monoclinic","space_group":"C2\/m","space_group_num":12,"point_group":"2\/m","a":6.44662,"b":6.44662,"c":6.48547,"alpha":83.5061,"beta":83.5061,"gamma":82.8457,"volume_cell":264.37144,"volume_per_atom":12.58912,"c_over_a":1.00603,"b_over_a":1,"Bravais_Lattice":"aP","Lattice_Type_Detail":"Triclinic","Lattice_Centering":"C-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":4.7877,"vbm":4.8319},"magnetic":{"total_magnetization":35.8987,"total_mag_norm_vol":0.13579,"num_magnetic_sites":19,"ordering":"FiM","is_magnetic":true},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-1870634","mp-1870634","mp-1870634"],"raw_refs":[],"mp_task_ids":["mp-1225775","mp-1657683","mp-1870634","mp-1337010","mp-1680975"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-1225775"}}}