{"success":true,"data":{"mp_id":"mp-1184558","type":"TRA","summary":{"formula":"Hf3Sn","mp_id":"mp-1184558","nelements":2,"is_stable":false,"nsites":4,"density":12.64669,"volume":85.8953,"a":4.41221,"b":4.41221,"c":4.41221,"alpha":90,"beta":90,"gamma":90,"space_group":"Pm-3m","space_group_num":221,"crystal_system":"Cubic","formation_energy_per_atom":-0.26352,"energy_per_atom":-40.31362,"energy_above_hull":0.02119,"point_group":"m-3m","Bravais_Lattice":"cP","Bravais_Combination":"cP","packing_fraction":0.5236,"uncorrected_energy_per_atom":-40.3136231425,"volume_per_atom":21.47383,"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":true,"total_magnetization":2.0e-5,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1184558","mp_task_ids":["aaadoaxr","aaadtmrr","aaaehlct","aaaetilf","aaafjddz"]}}}