{"success":true,"data":{"mp_id":"mp-1225796","type":"TRA","summary":{"formula":"Cu4Se3","mp_id":"mp-1225796","nelements":2,"is_stable":false,"nsites":7,"density":6.85979,"volume":118.87121,"a":3.77579,"b":3.77579,"c":9.87159,"alpha":101.02546,"beta":101.02546,"gamma":59.99999,"space_group":"R-3m","space_group_num":166,"crystal_system":"Trigonal","formation_energy_per_atom":-0.08697,"energy_per_atom":-12.41866,"energy_above_hull":0.10159,"point_group":"-3m","Bravais_Lattice":"hR","Bravais_Combination":"hR","packing_fraction":null,"uncorrected_energy_per_atom":-3.8694342957142855,"volume_per_atom":16.9816,"c_over_a":2.61444,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":null,"g_vrh":null,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":null,"Lame_Lambda(GPa)":null,"Pugh_Ratio(K\/G)":null,"Ductility":null,"bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":null},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00237,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":2.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1225796","mp_task_ids":["aaaecjqb"]}}}