{"success":true,"data":{"mp_id":"mp-3045","type":"HEA","summary":{"formula":"ErFe4B","mp_id":"mp-3045","nelements":3,"is_stable":true,"nsites":12,"density":8.64122,"volume":154.28919,"a":5.03569,"b":5.03574,"c":7.02556,"alpha":90,"beta":90,"gamma":119.99968,"space_group":"P6\/mmm","space_group_num":191,"crystal_system":"Hexagonal","formation_energy_per_atom":-0.25021,"energy_per_atom":-7.77141,"energy_above_hull":0,"point_group":"6\/mmm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-16.6735,"volume_per_atom":12.85743,"c_over_a":1.39515,"b_over_a":1.00001,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"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":16.63916,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0.10784},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-3045","mp_task_ids":["aaadnduv","aaadsqfx","aaaeknco","aaaeubyn","aaafyify"]}}}