{"success":true,"data":{"mp_id":"mp-557194","type":"TRA","summary":{"formula":"SiO2","mp_id":"mp-557194","nelements":2,"is_stable":false,"nsites":18,"density":2.08406,"volume":287.24415,"a":8.78447,"b":8.78447,"c":4.29823,"alpha":90,"beta":90,"gamma":120,"space_group":"P-31m","space_group_num":162,"crystal_system":"Trigonal","formation_energy_per_atom":-2.01082,"energy_per_atom":-7.1179,"energy_above_hull":1.26201,"point_group":"-3m","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-6.659902115555556,"volume_per_atom":15.95801,"c_over_a":0.4893,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"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":0.33417,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0.00116},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-557194","mp_task_ids":["aaacdqhu","aaadrris","aaaegcdz"]}}}