{"success":true,"data":{"mp_id":"mp-2062","type":"TRA","summary":{"formula":"LaSi2","mp_id":"mp-2062","nelements":2,"is_stable":true,"nsites":6,"density":4.94367,"volume":131.04931,"a":4.38834,"b":4.38834,"c":7.47917,"alpha":107.0599,"beta":107.05989,"gamma":90.00001,"space_group":"I4_1\/amd","space_group_num":141,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.70824,"energy_per_atom":-16.47234,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-16.472339951666665,"volume_per_atom":21.84155,"c_over_a":1.70433,"b_over_a":1,"poisson_ratio":0.29624,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":79.133,"g_vrh":37.317,"E_Calc(GPa)":96.744,"homogeneous_poisson":0.29624,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.333,"Lame_Lambda(GPa)":54.254999999999995,"Pugh_Ratio(K\/G)":2.1205616743039366,"Ductility":"Brittle","bulk_modulus":79.133,"shear_modulus":37.317,"debye_temperature":326.6,"sound_velocity":3067.4,"homogeneity":0.296},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":1.0e-5,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-2062","mp_task_ids":["aaacizbn","aaadsbkv","aaaeldky","aaaeupbp","aaafihzr"]}}}