{"success":true,"data":{"mp_id":"mp-21104","type":"TRA","summary":{"formula":"Hf5Sn3","mp_id":"mp-21104","nelements":2,"is_stable":true,"nsites":16,"density":11.90809,"volume":348.21972,"a":8.39461,"b":8.3946,"c":5.70588,"alpha":90,"beta":90,"gamma":120.00011,"space_group":"P6_3\/mcm","space_group_num":193,"crystal_system":"Hexagonal","formation_energy_per_atom":-0.42706,"energy_per_atom":-37.92652,"energy_above_hull":0,"point_group":"6\/mmm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-37.92651837,"volume_per_atom":21.76373,"c_over_a":0.67971,"b_over_a":1,"poisson_ratio":0.31279,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":113.876,"g_vrh":48.717,"E_Calc(GPa)":127.911,"homogeneous_poisson":0.31279,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.585,"Lame_Lambda(GPa)":81.398,"Pugh_Ratio(K\/G)":2.3375002565839442,"Ductility":"Brittle","bulk_modulus":113.876,"shear_modulus":48.717,"debye_temperature":241.2,"sound_velocity":2262.9,"homogeneity":0.313},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0.00062,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-21104","mp_task_ids":["aaadnial","aaadrcnd","aaaekwmo","aaaetwmx","aaafsfta"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":261,"three_strong":[13.6523,13.0088,13.0088]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":144,"three_strong":[44.5898,44.5898,44.5898]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":64,"three_strong":[58.0886,58.0886,58.0886]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":159,"three_strong":[38.141,36.2871,38.141]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":261,"three_strong":[17.3246,16.5058,16.5059]}}}}}