{"success":true,"data":{"mp_id":"mp-1186722","type":"TRA","summary":{"formula":"Pr3Nb","mp_id":"mp-1186722","nelements":2,"is_stable":false,"nsites":4,"density":7.15155,"volume":119.72554,"a":5.97598,"b":5.97598,"c":5.97598,"alpha":130.7563,"beta":130.7563,"gamma":72.20056,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":0.39821,"energy_per_atom":-27.83828,"energy_above_hull":0.39821,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-5.7127975675,"volume_per_atom":29.93138,"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":false,"total_magnetization":0.02258,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0.00019},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1186722","mp_task_ids":["aaadcain","aaadmgal","aaadweqr","aaaesmll","aaafciel"]}}}