{"success":true,"data":{"mp_id":"mp-752849","type":"ELA","summary":{"formula":"Y2Pb2O7","mp_id":"mp-752849","nelements":3,"is_stable":true,"nsites":22,"density":7.69629,"volume":303.87752,"a":7.54637,"b":7.54637,"c":7.54637,"alpha":60,"beta":60,"gamma":60,"space_group":"Fd-3m","space_group_num":227,"crystal_system":"Cubic","formation_energy_per_atom":-2.52819,"energy_per_atom":-7.53539,"energy_above_hull":0,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-20.06341,"volume_per_atom":13.81261,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.28296,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":139.254,"g_vrh":70.675,"E_Calc(GPa)":181.346,"homogeneous_poisson":0.283,"Vickers_Hard_Est(GPa)":7.92,"universal_anisotropy":0.11,"Lame_Lambda(GPa)":92.13733333333332,"Pugh_Ratio(K\/G)":1.9703431199151042,"Ductility":"Brittle","bulk_modulus":139.254,"shear_modulus":70.675,"debye_temperature":443.9,"sound_velocity":3377.6,"homogeneity":0.283},"electronic":{"is_metal":false,"band_gap":0.9987,"is_gap_direct":true,"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-752849","mp_task_ids":["aaabwlhb","aaadrxrw","aaaevlwc"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":73,"three_strong":[10.4457,17.0974,20.0768]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":14,"three_strong":[33.782,56.6496,67.6095]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":9,"three_strong":[43.6558,74.7717,50.8515]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":19,"three_strong":[28.9828,48.2377,57.2614]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":56,"three_strong":[13.2475,21.7146,25.521]}}}}}