{"success":true,"data":{"mp_id":"mp-1073522","type":"TRA","summary":{"formula":"MgSi2","mp_id":"mp-1073522","nelements":2,"is_stable":false,"nsites":12,"density":2.37577,"volume":224.99433,"a":5.55398,"b":5.55398,"c":12.3069,"alpha":71.9637,"beta":71.9637,"gamma":38.86248,"space_group":"Cm","space_group_num":8,"crystal_system":"Monoclinic","formation_energy_per_atom":0.14539,"energy_per_atom":-4.01498,"energy_above_hull":0.19968,"point_group":"m","Bravais_Lattice":"mC","Bravais_Combination":"mC","packing_fraction":null,"uncorrected_energy_per_atom":-4.062317004166666,"volume_per_atom":18.74953,"c_over_a":2.21587,"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":0.00343,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":2.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1073522","mp_task_ids":["aaacjcct","aaaecsxi"]}}}