{"success":true,"data":{"mp_id":"mp-1373","type":"TRA","summary":{"formula":"Nb3Ge","mp_id":"mp-1373","nelements":2,"is_stable":false,"nsites":8,"density":8.43673,"volume":138.31087,"a":5.17153,"b":5.17153,"c":5.17153,"alpha":90,"beta":90,"gamma":90,"space_group":"Pm-3n","space_group_num":223,"crystal_system":"Cubic","formation_energy_per_atom":-0.26632,"energy_per_atom":-8.99805,"energy_above_hull":0.05367,"point_group":"m-3m","Bravais_Lattice":"cP","Bravais_Combination":"cP","packing_fraction":0.5236,"uncorrected_energy_per_atom":-22.32954536125,"volume_per_atom":17.28886,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.44364,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":171.519,"g_vrh":20.09,"E_Calc(GPa)":58.005,"homogeneous_poisson":0.44364,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.211,"Lame_Lambda(GPa)":158.12566666666666,"Pugh_Ratio(K\/G)":8.537531110004977,"Ductility":"Brittle","bulk_modulus":171.519,"shear_modulus":20.09,"debye_temperature":202.2,"sound_velocity":1757.1,"homogeneity":0.444},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0.00045,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1373","mp_task_ids":["aaadmmvm","aaadsayy","aaaemayv","aaaeuqpf","aaafijnm"]}}}