{"success":true,"data":{"mp_id":"mp-6986","type":"TRA","summary":{"formula":"Ta","mp_id":"mp-6986","nelements":1,"is_stable":false,"nsites":1,"density":16.55345,"volume":18.15156,"a":2.94992,"b":2.94992,"c":2.94992,"alpha":59.99999,"beta":59.99999,"gamma":60,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":0.24488,"energy_per_atom":-48.34695,"energy_above_hull":0.24488,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-11.6128968,"volume_per_atom":18.15156,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.08419,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":191.164,"g_vrh":219.943,"E_Calc(GPa)":476.922,"homogeneous_poisson":0.08419,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":-4.812,"Lame_Lambda(GPa)":44.53533333333331,"Pugh_Ratio(K\/G)":0.8691524622288501,"Ductility":"Ductile","bulk_modulus":191.164,"shear_modulus":219.943,"debye_temperature":450.7,"sound_velocity":3979.3,"homogeneity":0.084},"electronic":{"is_metal":true,"band_gap":0,"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-6986","mp_task_ids":["aaadiudd","aaadmlcd","aaadrcyl","aaadybaf","aaaeurtc","aaafbynv"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":51,"three_strong":[13.3727,15.4532,25.7652]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":7,"three_strong":[43.6335,50.825,43.6335]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":4,"three_strong":[56.7953,66.6191,56.7953]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":13,"three_strong":[37.3343,43.3801,37.3344]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":54,"three_strong":[16.9688,19.6181,32.8211]}}}}}