{"success":true,"data":{"mp_id":"mp-871","type":"ELA","summary":{"formula":"FeSi","mp_id":"mp-871","nelements":2,"is_stable":true,"nsites":8,"density":6.53457,"volume":85.31241,"a":4.40221,"b":4.40221,"c":4.40221,"alpha":90,"beta":90,"gamma":90,"space_group":"P2_13","space_group_num":198,"crystal_system":"Cubic","formation_energy_per_atom":-0.47598,"energy_per_atom":-7.42365,"energy_above_hull":0,"point_group":"23","Bravais_Lattice":"cP","Bravais_Combination":"cP","packing_fraction":0.5236,"uncorrected_energy_per_atom":-11.86649,"volume_per_atom":10.66405,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.21486,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":201.745,"g_vrh":142.052,"E_Calc(GPa)":345.148,"homogeneous_poisson":0.215,"Vickers_Hard_Est(GPa)":21.097,"universal_anisotropy":0.052,"Lame_Lambda(GPa)":107.04366666666668,"Pugh_Ratio(K\/G)":1.4202193562920622,"Ductility":"Ductile","bulk_modulus":201.745,"shear_modulus":142.052,"debye_temperature":697.1,"sound_velocity":5155.6,"homogeneity":0.215},"electronic":{"is_metal":false,"band_gap":0.1802,"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-871","mp_task_ids":["aaaclsrf","aaacmzid","aaadmnpi","aaadqyri","aaaelirg","aaaeuujt","aaafwxum"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":49,"three_strong":[16.3791,17.9548,27.5798]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":9,"three_strong":[54.088,59.7449,33.424]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":5,"three_strong":[71.1612,79.1938,43.1838]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":12,"three_strong":[46.106,50.8028,81.8762]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":43,"three_strong":[20.7983,22.8089,35.1606]}}}}}