{"success":true,"data":{"mp_id":"mp-755895","type":"ELA","summary":{"formula":"Ba3Zr2O7","mp_id":"mp-755895","nelements":3,"is_stable":true,"nsites":12,"density":6.02827,"volume":194.59066,"a":4.21106,"b":11.37018,"c":4.21106,"alpha":79.32838,"beta":90,"gamma":100.67162,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":-3.51951,"energy_per_atom":-8.31018,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-17.35606,"volume_per_atom":16.21589,"c_over_a":1,"b_over_a":2.70008,"poisson_ratio":0.26141,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":119.003,"g_vrh":67.526,"E_Calc(GPa)":170.356,"homogeneous_poisson":0.261,"Vickers_Hard_Est(GPa)":9.116,"universal_anisotropy":0.16,"Lame_Lambda(GPa)":73.98566666666667,"Pugh_Ratio(K\/G)":1.7623285845452124,"Ductility":"Brittle","bulk_modulus":119.003,"shear_modulus":67.526,"debye_temperature":687,"sound_velocity":3720.7,"homogeneity":0.261},"electronic":{"is_metal":false,"band_gap":3.0246,"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-755895","mp_task_ids":["aaabwrug","aaadjrit","aaadvfry","aaaelsjx"]},"xrd":{"by_target":{"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":37,"three_strong":[29.3928,30.0097,52.9036]}}}}}