{"success":true,"data":{"mp_id":"mp-755450","type":"ELA","summary":{"formula":"La2Ce2O7","mp_id":"mp-755450","nelements":3,"is_stable":false,"nsites":22,"density":6.37411,"volume":349.10778,"a":7.9036,"b":7.9036,"c":7.9036,"alpha":60,"beta":60,"gamma":60,"space_group":"Fd-3m","space_group_num":227,"crystal_system":"Cubic","formation_energy_per_atom":-3.89346,"energy_per_atom":-9.01906,"energy_above_hull":0.01042,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-18.54566,"volume_per_atom":15.86854,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.30218,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":133.226,"g_vrh":60.716,"E_Calc(GPa)":158.127,"homogeneous_poisson":0.302,"Vickers_Hard_Est(GPa)":5.81,"universal_anisotropy":0.002,"Lame_Lambda(GPa)":92.74866666666667,"Pugh_Ratio(K\/G)":2.194248632979775,"Ductility":"Brittle","bulk_modulus":133.226,"shear_modulus":60.716,"debye_temperature":434.1,"sound_velocity":3448.3,"homogeneity":0.302},"electronic":{"is_metal":false,"band_gap":2.1894,"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-755450","mp_task_ids":["aaabwunv","aaadrxmu","aaagbdmr"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":51,"three_strong":[9.9723,16.3193,19.1606]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":7,"three_strong":[32.2125,53.8757,64.1755]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":4,"three_strong":[41.5886,70.8639,85.6561]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":9,"three_strong":[27.6461,45.9291,54.4524]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":41,"three_strong":[12.6462,20.722,24.3493]}}}}}