{"success":true,"data":{"mp_id":"mp-1025126","type":"TRA","summary":{"formula":"MgSi2","mp_id":"mp-1025126","nelements":2,"is_stable":false,"nsites":6,"density":2.61961,"volume":102.02533,"a":5.46613,"b":5.46613,"c":5.46613,"alpha":136.79785,"beta":107.53159,"gamma":88.27086,"space_group":"Imma","space_group_num":74,"crystal_system":"Orthorhombic","formation_energy_per_atom":0.16842,"energy_per_atom":-3.99195,"energy_above_hull":0.22272,"point_group":"mmm","Bravais_Lattice":"oI","Bravais_Combination":"oI","packing_fraction":null,"uncorrected_energy_per_atom":-4.0392787,"volume_per_atom":17.00422,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.31564,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":72.283,"g_vrh":30.387,"E_Calc(GPa)":79.957,"homogeneous_poisson":0.31564,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.535,"Lame_Lambda(GPa)":52.025000000000006,"Pugh_Ratio(K\/G)":2.3787474907032613,"Ductility":"Brittle","bulk_modulus":72.283,"shear_modulus":30.387,"debye_temperature":441.2,"sound_velocity":3811.9,"homogeneity":0.316},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00063,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":1.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1025126","mp_task_ids":["aaacjcbb","aaadyhru"]}}}