{"success":true,"data":{"mp_id":"mp-3315945","type":"HEA","summary":{"formula":"Ba4Er(OsO6)2","mp_id":"mp-3315945","nelements":4,"is_stable":true,"nsites":19,"density":7.72981,"volume":276.91086,"a":9.97665,"b":9.97665,"c":9.97665,"alpha":34.00868,"beta":34.00868,"gamma":34.00868,"space_group":"R-3m","space_group_num":166,"crystal_system":"Trigonal","formation_energy_per_atom":-2.43131,"energy_per_atom":-19.14524,"energy_above_hull":0,"point_group":"-3m","Bravais_Lattice":"hR","Bravais_Combination":"hR","packing_fraction":null,"uncorrected_energy_per_atom":-19.14524,"volume_per_atom":14.57426,"c_over_a":1,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":null,"g_vrh":null,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":null,"Lame_Lambda(GPa)":null,"Pugh_Ratio(K\/G)":null,"Ductility":null,"bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":null},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":2.99994,"ordering":"FM","num_magnetic_sites":2,"total_mag_norm_vol":0.01083},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-3315945","mp_task_ids":["aaahgrgj"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":119,"three_strong":[10.2215,11.0316,15.0608]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":34,"three_strong":[33.038,35.7332,49.4543]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":22,"three_strong":[42.6751,46.2347,64.728]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":44,"three_strong":[28.3493,30.6424,42.2316]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":104,"three_strong":[12.9627,13.992,19.118]}}}}}