{"success":true,"data":{"mp_id":"mp-1237875","type":"TRA","summary":{"formula":"Mg2Si","mp_id":"mp-1237875","nelements":2,"is_stable":false,"nsites":12,"density":2.20344,"volume":231.19439,"a":5.30277,"b":6.14731,"c":7.63497,"alpha":79.69698,"beta":82.49512,"gamma":105.9191,"space_group":"P-1","space_group_num":2,"crystal_system":"Triclinic","formation_energy_per_atom":0.14679,"energy_per_atom":-2.74863,"energy_above_hull":0.25539,"point_group":"-1","Bravais_Lattice":"aP","Bravais_Combination":"aP","packing_fraction":null,"uncorrected_energy_per_atom":-2.7722935691666666,"volume_per_atom":19.2662,"c_over_a":1.43981,"b_over_a":1.15926,"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":0.00066,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1237875","mp_task_ids":["aaaefqcl"]}}}