{"success":true,"data":{"mp_id":"mp-978501","type":"TRA","summary":{"formula":"Si3Se","mp_id":"mp-978501","nelements":2,"is_stable":false,"nsites":4,"density":4.11284,"volume":65.89781,"a":4.5338,"b":4.5338,"c":4.5338,"alpha":60,"beta":60,"gamma":60,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":0.4979,"energy_per_atom":-4.44507,"energy_above_hull":0.78503,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-4.327065415,"volume_per_atom":16.47445,"c_over_a":1,"b_over_a":1,"poisson_ratio":null,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":70.402,"g_vrh":-23.964,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":43.84,"Lame_Lambda(GPa)":86.378,"Pugh_Ratio(K\/G)":-2.9378234017693208,"Ductility":"Ductile","bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":0.692},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00242,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":4.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-978501","mp_task_ids":["aaadnvic","aaadwlyj","aaadxmta","aaaetgyf","aaafsnwo"]}}}