{"success":true,"data":{"mp_id":"mp-1221275","type":"HEA","summary":{"mp_id":"mp-1221275","formula":"Na2Zn3GeAs4","nelements":4,"nsites":10,"density":4.56796,"volume":223.39435,"energy_above_hull":0.04261,"formation_energy_per_atom":-0.27021,"energy_per_atom":-3.24683,"is_stable":false,"uncorrected_energy_per_atom":-3.24683,"last_updated":"2025-09-23 22:47:38.744000+00:00","deprecated":false,"possible_species":["Na+","Ge3+","Zn2+","As2-","As3-"],"crystal_system":"Monoclinic","space_group":"Cm","space_group_num":8,"point_group":"m","a":8.58291,"b":8.58291,"c":7.17896,"alpha":65.5059,"beta":65.5059,"gamma":27.8516,"volume_cell":223.39435,"volume_per_atom":22.33943,"c_over_a":0.83643,"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":2.754,"vbm":2.7754},"magnetic":{"total_magnetization":5.0e-5,"total_mag_norm_vol":0,"num_magnetic_sites":0,"ordering":"NM","is_magnetic":false},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-1925866","mp-1925866","mp-1925866"],"raw_refs":[],"mp_task_ids":["mp-1925866","mp-1744444","mp-1221275","mp-1445662"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-1221275"}}}