{"success":true,"data":{"mp_id":"mp-1224228","type":"HEA","summary":{"mp_id":"mp-1224228","formula":"HfZrCN","nelements":4,"nsites":4,"density":9.85916,"volume":49.80886,"energy_above_hull":0.0002,"formation_energy_per_atom":-1.58964,"energy_per_atom":-23.33394,"is_stable":false,"uncorrected_energy_per_atom":-10.3688,"last_updated":"2025-09-23 22:51:50.375000+00:00","deprecated":false,"possible_species":["C4-","N3-","Hf4+","Zr3+"],"crystal_system":"Trigonal","space_group":"R3m","space_group_num":160,"point_group":"3m","a":5.68531,"b":5.68531,"c":5.68531,"alpha":33.4815,"beta":33.4815,"gamma":33.4815,"volume_cell":49.80886,"volume_per_atom":12.45221,"c_over_a":1,"b_over_a":1,"Bravais_Lattice":"hR","Lattice_Type_Detail":"Rhombohedral","Lattice_Centering":"Rhombohedral","Bravais_Combination":"hR","Is_FCC":false,"Is_BCC":false,"Is_HCP":false,"Is_Bravais_aP":false,"Is_Bravais_mP":false,"Is_Bravais_mC":false,"Is_Bravais_oP":false,"Is_Bravais_oC":false,"Is_Bravais_oI":false,"Is_Bravais_oF":false,"Is_Bravais_tP":false,"Is_Bravais_tI":false,"Is_Bravais_hP":false,"Is_Bravais_hR":true,"Is_Bravais_cP":false,"Is_Bravais_cI":false,"Is_Bravais_cF":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":0.00989,"total_mag_norm_vol":0.0002,"num_magnetic_sites":0,"ordering":"NM","is_magnetic":false},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-1426105","mp-1426105","mp-1426105"],"raw_refs":[],"mp_task_ids":["mp-1224228","mp-2327248","mp-1794807","mp-1426105","mp-1609837","mp-2175614","mp-1716246"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-1224228"}}}