{"success":true,"data":{"mp_id":"mp-343","type":"TRA","summary":{"formula":"PrN","mp_id":"mp-343","nelements":2,"is_stable":true,"nsites":2,"density":7.26231,"volume":35.42142,"a":3.68633,"b":3.68632,"c":3.68633,"alpha":59.99999,"beta":60,"gamma":59.99999,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":-1.54579,"energy_per_atom":-20.81215,"energy_above_hull":0,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-20.812147345,"volume_per_atom":17.71071,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.23046,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":133.177,"g_vrh":87.521,"E_Calc(GPa)":215.382,"homogeneous_poisson":0.23046,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.001,"Lame_Lambda(GPa)":74.82966666666667,"Pugh_Ratio(K\/G)":1.521657659304624,"Ductility":"Ductile","bulk_modulus":133.177,"shear_modulus":87.521,"debye_temperature":978.2,"sound_velocity":3845.4,"homogeneity":0.23},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-343","mp_task_ids":["aaadmwfv","aaadrzfj","aaaeguow","aaaeuopq","aaafxhfp"]}}}