{"success":true,"data":{"mp_id":"mp-14786","type":"HEA","summary":{"mp_id":"mp-14786","formula":"Ba(Cu2As)4","nelements":3,"nsites":13,"density":7.32774,"volume":214.23294,"energy_above_hull":0,"formation_energy_per_atom":-0.21445,"energy_per_atom":-4.32161,"is_stable":true,"uncorrected_energy_per_atom":-13.49877,"last_updated":"2025-09-23 22:44:27.499000+00:00","deprecated":false,"possible_species":["As3-","Cu1.25+","Ba2+"],"crystal_system":"Tetragonal","space_group":"I4\/m","space_group_num":87,"point_group":"4\/m","a":3.93317,"b":7.63779,"c":7.63778,"alpha":86.1987,"beta":75.0794,"gamma":75.0794,"volume_cell":214.23294,"volume_per_atom":16.47946,"c_over_a":1.94189,"b_over_a":1.94189,"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,"total_mag_norm_vol":0,"num_magnetic_sites":0,"ordering":"NM","is_magnetic":false},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-2012426","mp-2012426","mp-2012426"],"raw_refs":[],"mp_task_ids":["mp-916265","mp-2012426","mp-14786","mp-1704897","mp-1429164","mp-2011428","mp-2176946","mp-932674","mp-1597269","mp-931614","mp-1787316","mp-2434437"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-14786"}}}