{"success":true,"data":{"mp_id":"mp-999392","type":"TRA","summary":{"formula":"NbCr3","mp_id":"mp-999392","nelements":2,"is_stable":false,"nsites":4,"density":7.54285,"volume":54.79356,"a":5.0989,"b":5.0989,"c":5.0989,"alpha":139.77183,"beta":139.77183,"gamma":58.19991,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":0.38134,"energy_per_atom":-17.10718,"energy_above_hull":0.38134,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-9.40587029,"volume_per_atom":13.69839,"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":0.01989,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0.00036},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-999392","mp_task_ids":["aaaciqbf","aaadccfn","aaadwoxy","aaaetsqy","aaafiuek"]}}}