{"success":true,"data":{"mp_id":"mp-856","type":"ELA","summary":{"formula":"SnO2","mp_id":"mp-856","nelements":2,"is_stable":true,"nsites":6,"density":6.87319,"volume":72.82144,"a":3.2075,"b":4.76384,"c":4.7658,"alpha":90,"beta":90,"gamma":90,"space_group":"P4_2\/mnm","space_group_num":136,"crystal_system":"Tetragonal","formation_energy_per_atom":-2.10748,"energy_per_atom":-6.74265,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tP","Bravais_Combination":"tP","packing_fraction":null,"uncorrected_energy_per_atom":-14.11028,"volume_per_atom":12.13691,"c_over_a":1.48583,"b_over_a":1.48522,"poisson_ratio":0.28269,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":171.933,"g_vrh":87.385,"E_Calc(GPa)":224.176,"homogeneous_poisson":0.283,"Vickers_Hard_Est(GPa)":9.385,"universal_anisotropy":1.324,"Lame_Lambda(GPa)":113.67633333333333,"Pugh_Ratio(K\/G)":1.9675344738799563,"Ductility":"Brittle","bulk_modulus":171.933,"shear_modulus":87.385,"debye_temperature":557.3,"sound_velocity":3974.1,"homogeneity":0.283},"electronic":{"is_metal":false,"band_gap":0.6607,"is_gap_direct":true,"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-856","mp_task_ids":["aaablvxq","aaacmyam","aaaelhte","aaaenjii","aaaezzko","aaafxhef","aaagbnsf"]}}}