{"success":true,"data":{"mp_id":"mp-1223692","type":"HEA","summary":{"formula":"K3Nb8(O5F2)2","mp_id":"mp-1223692","nelements":4,"is_stable":false,"nsites":25,"density":4.70965,"volume":386.61823,"a":4.19612,"b":4.19612,"c":21.95771,"alpha":90,"beta":90,"gamma":90,"space_group":"P4mm","space_group_num":99,"crystal_system":"Tetragonal","formation_energy_per_atom":-2.68997,"energy_per_atom":-8.34367,"energy_above_hull":0.01067,"point_group":"4mm","Bravais_Lattice":"tP","Bravais_Combination":"tP","packing_fraction":null,"uncorrected_energy_per_atom":-7.99495,"volume_per_atom":15.46473,"c_over_a":5.23286,"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":0.01704,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":4.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1223692","mp_task_ids":["aaacyoiy","aaadrtoh"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":63,"three_strong":[2.9274,15.3632,10.6078]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":31,"three_strong":[9.3533,50.5099,34.3209]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":19,"three_strong":[11.9779,66.1834,44.367]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":40,"three_strong":[8.0531,43.1162,29.4414]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":61,"three_strong":[3.7098,19.5033,13.4534]}}}}}