{"success":true,"data":{"mp_id":"mp-1021516","type":"TRA","summary":{"formula":"K2Sn","mp_id":"mp-1021516","nelements":2,"is_stable":false,"nsites":3,"density":2.0236,"volume":161.57862,"a":6.11364,"b":6.11364,"c":6.11364,"alpha":60,"beta":60,"gamma":60,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":0.09002,"energy_per_atom":-2.00075,"energy_above_hull":0.27735,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-2.0007485833333334,"volume_per_atom":53.85954,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.30756,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":8.242,"g_vrh":3.639,"E_Calc(GPa)":9.516,"homogeneous_poisson":0.30756,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.193,"Lame_Lambda(GPa)":5.816000000000001,"Pugh_Ratio(K\/G)":2.264907941742237,"Ductility":"Brittle","bulk_modulus":8.242,"shear_modulus":3.639,"debye_temperature":139.9,"sound_velocity":1499.3,"homogeneity":0.308},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":1.99554,"ordering":"FM","num_magnetic_sites":1,"total_mag_norm_vol":0.01235},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1021516","mp_task_ids":["aaadokow","aaadwaeo","aaadxfoa","aaaeqlud","aaafblfj"]}}}