{"success":true,"data":{"mp_id":"mp-669426","type":"ELA","summary":{"formula":"SiO2","mp_id":"mp-669426","nelements":2,"is_stable":false,"nsites":24,"density":2.35559,"volume":338.84472,"a":4.8942,"b":8.52299,"c":8.69225,"alpha":110.84704,"beta":90,"gamma":90,"space_group":"P2_1\/c","space_group_num":14,"crystal_system":"Monoclinic","formation_energy_per_atom":-3.2657,"energy_per_atom":-8.37278,"energy_above_hull":0.00713,"point_group":"2\/m","Bravais_Lattice":"mP","Bravais_Combination":"mP","packing_fraction":null,"uncorrected_energy_per_atom":-9.93705,"volume_per_atom":14.11853,"c_over_a":1.77603,"b_over_a":1.74145,"poisson_ratio":-0.09787,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":18.076,"g_vrh":35.939,"E_Calc(GPa)":64.843,"homogeneous_poisson":-0.098,"Vickers_Hard_Est(GPa)":33.328,"universal_anisotropy":1.182,"Lame_Lambda(GPa)":-5.883333333333333,"Pugh_Ratio(K\/G)":0.5029633545730265,"Ductility":"Ductile","bulk_modulus":18.076,"shear_modulus":35.939,"debye_temperature":667.5,"sound_velocity":4206.5,"homogeneity":-0.098},"electronic":{"is_metal":false,"band_gap":5.538,"is_gap_direct":true,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-669426","mp_task_ids":["aaacmwwa","aaadnknk","aaadrczj","aaaemnww","aaaeskdo","aaafighh"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":120,"three_strong":[7.9867,7.9185,8.0761]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":72,"three_strong":[25.6862,25.4637,25.9781]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":38,"three_strong":[33.0526,32.763,33.4326]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":91,"three_strong":[22.0734,21.883,22.3231]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":117,"three_strong":[10.1254,10.0389,10.2388]}}}}}