{"success":true,"data":{"mp_id":"mp-7457","type":"ELA","summary":{"formula":"SnF2","mp_id":"mp-7457","nelements":2,"is_stable":false,"nsites":12,"density":4.85663,"volume":214.3197,"a":5.04075,"b":5.04075,"c":8.43473,"alpha":90,"beta":90,"gamma":90,"space_group":"P4_12_12","space_group_num":92,"crystal_system":"Tetragonal","formation_energy_per_atom":-2.56759,"energy_per_atom":-5.1805,"energy_above_hull":0.00585,"point_group":"422","Bravais_Lattice":"tP","Bravais_Combination":"tP","packing_fraction":null,"uncorrected_energy_per_atom":-12.70285,"volume_per_atom":17.85998,"c_over_a":1.67331,"b_over_a":1,"poisson_ratio":0.16637,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":12.518,"g_vrh":10.742,"E_Calc(GPa)":25.058,"homogeneous_poisson":0.166,"Vickers_Hard_Est(GPa)":3.706,"universal_anisotropy":0.627,"Lame_Lambda(GPa)":5.3566666666666665,"Pugh_Ratio(K\/G)":1.1653323403463043,"Ductility":"Ductile","bulk_modulus":12.518,"shear_modulus":10.742,"debye_temperature":204.4,"sound_velocity":1636.1,"homogeneity":0.166},"electronic":{"is_metal":false,"band_gap":3.2493,"is_gap_direct":false,"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-7457","mp_task_ids":["aaacmwvh","aaadmwwv","aaadsuty","aaaempdr","aaaeuafu","aaafcpoj"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":85,"three_strong":[9.9477,16.2185,9.0254]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":19,"three_strong":[32.1312,29.0893,53.5188]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":10,"three_strong":[41.4817,37.4924,70.3645]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":24,"three_strong":[27.5768,24.982,45.6314]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":84,"three_strong":[12.615,20.5935,11.4438]}}}}}