{"success":true,"data":{"mp_id":"mp-3207827","type":"HEA","summary":{"formula":"Hf4Ta2NbH16","mp_id":"mp-3207827","nelements":4,"is_stable":true,"nsites":23,"density":10.20137,"volume":192.87166,"a":6.40819,"b":6.40819,"c":6.66443,"alpha":58.66819,"beta":58.66819,"gamma":62.6636,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.36654,"energy_per_atom":-15.92329,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-15.92329,"volume_per_atom":8.38572,"c_over_a":1.03999,"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,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-3207827","mp_task_ids":["aaahanhz"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":71,"three_strong":[12.1792,13.6713,22.9526]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":25,"three_strong":[39.5835,44.6549,78.8485]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":17,"three_strong":[51.3557,58.1767,63.6832]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":23,"three_strong":[33.9096,38.1958,66.3141]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":68,"three_strong":[15.4507,17.3488,29.2056]}}}}}