{"success":true,"data":{"mp_id":"mp-504677","type":"TRA","summary":{"formula":"SrPbF6","mp_id":"mp-504677","nelements":3,"is_stable":false,"nsites":16,"density":5.29463,"volume":256.42811,"a":5.45735,"b":5.45735,"c":8.60999,"alpha":90,"beta":90,"gamma":90,"space_group":"P4_2\/mmc","space_group_num":131,"crystal_system":"Tetragonal","formation_energy_per_atom":-2.79688,"energy_per_atom":-4.90845,"energy_above_hull":0.16206,"point_group":"4\/mmm","Bravais_Lattice":"tP","Bravais_Combination":"tP","packing_fraction":null,"uncorrected_energy_per_atom":-4.561948994375,"volume_per_atom":16.02676,"c_over_a":1.57769,"b_over_a":1,"poisson_ratio":0.42974,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":57.14,"g_vrh":8.424,"E_Calc(GPa)":24.088,"homogeneous_poisson":0.42974,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":-166.905,"Lame_Lambda(GPa)":51.524,"Pugh_Ratio(K\/G)":6.783000949667617,"Ductility":"Brittle","bulk_modulus":57.14,"shear_modulus":8.424,"debye_temperature":212.3,"sound_velocity":1433.6,"homogeneity":0.43},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00014,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-504677","mp_task_ids":["aaaddbgc","aaadnimi","aaadqzpb","aaaerifz","aaafwyzx"]}}}