{"success":true,"data":{"mp_id":"mp-669347","type":"TRA","summary":{"formula":"KCuF3","mp_id":"mp-669347","nelements":3,"is_stable":true,"nsites":10,"density":4.00885,"volume":132.25113,"a":5.68006,"b":5.68068,"c":5.68068,"alpha":92.48404,"beta":118.57978,"gamma":118.57978,"space_group":"I4\/mcm","space_group_num":140,"crystal_system":"Tetragonal","formation_energy_per_atom":-2.35601,"energy_per_atom":-4.55088,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-7.623354482000001,"volume_per_atom":13.22511,"c_over_a":1.00011,"b_over_a":1.00011,"poisson_ratio":0.31231,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":78.848,"g_vrh":33.832,"E_Calc(GPa)":88.796,"homogeneous_poisson":0.31231,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":3.061,"Lame_Lambda(GPa)":56.29333333333334,"Pugh_Ratio(K\/G)":2.3305746039252777,"Ductility":"Brittle","bulk_modulus":78.848,"shear_modulus":33.832,"debye_temperature":556.1,"sound_velocity":3250,"homogeneity":0.312},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0.00027,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-669347","mp_task_ids":["aaadnaou","aaadslun","aaaekvmv","aaaetyhg","aaafwypl"]}}}