{"success":true,"data":{"mp_id":"mp-754478","type":"ELA","summary":{"formula":"HfZrO4","mp_id":"mp-754478","nelements":3,"is_stable":false,"nsites":6,"density":7.10213,"volume":78.02465,"a":4.89773,"b":4.89773,"c":3.25269,"alpha":90,"beta":90,"gamma":90.12076,"space_group":"Cmmm","space_group_num":65,"crystal_system":"Orthorhombic","formation_energy_per_atom":-3.87715,"energy_per_atom":-10.25994,"energy_above_hull":0.03956,"point_group":"mmm","Bravais_Lattice":"oC","Bravais_Combination":"oC","packing_fraction":null,"uncorrected_energy_per_atom":-9.80194,"volume_per_atom":13.00411,"c_over_a":0.66412,"b_over_a":1,"poisson_ratio":0.29325,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":204.4,"g_vrh":98.032,"E_Calc(GPa)":253.56,"homogeneous_poisson":0.293,"Vickers_Hard_Est(GPa)":9.377,"universal_anisotropy":1.53,"Lame_Lambda(GPa)":139.04533333333336,"Pugh_Ratio(K\/G)":2.085033458462543,"Ductility":"Brittle","bulk_modulus":204.4,"shear_modulus":98.032,"debye_temperature":563.4,"sound_velocity":4146.3,"homogeneity":0.293},"electronic":{"is_metal":false,"band_gap":3.4347,"is_gap_direct":true,"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-754478","mp_task_ids":["aaabstzc","aaadawyx","aaadvzem","aaaepbfc","aaafbjwt"]},"xrd":{"by_target":{"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":40,"three_strong":[33.0599,25.6963,25.7514]}}}}}