{"success":true,"data":{"mp_id":"mp-543001","type":"TRA","summary":{"formula":"Zr5Sn4","mp_id":"mp-543001","nelements":2,"is_stable":true,"nsites":18,"density":7.6929,"volume":401.90211,"a":8.82772,"b":8.82772,"c":5.95515,"alpha":90,"beta":90,"gamma":120.00001,"space_group":"P6_3\/mcm","space_group_num":193,"crystal_system":"Hexagonal","formation_energy_per_atom":-0.657,"energy_per_atom":-24.29408,"energy_above_hull":0,"point_group":"6\/mmm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-24.294081501666668,"volume_per_atom":22.32789,"c_over_a":0.6746,"b_over_a":1,"poisson_ratio":0.24422,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":104.158,"g_vrh":64.238,"E_Calc(GPa)":159.852,"homogeneous_poisson":0.24422,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.039,"Lame_Lambda(GPa)":61.33266666666667,"Pugh_Ratio(K\/G)":1.6214390236308727,"Ductility":"Ductile","bulk_modulus":104.158,"shear_modulus":64.238,"debye_temperature":338.9,"sound_velocity":3205.9,"homogeneity":0.244},"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-543001","mp_task_ids":["aaadnkaf","aaadrfzc","aaaeldkw","aaaerthd","aaafyhdx"]}}}