{"success":true,"data":{"mp_id":"mp-675137","type":"TRA","summary":{"formula":"Cu4Sn7S16","mp_id":"mp-675137","nelements":3,"is_stable":false,"nsites":27,"density":4.54826,"volume":583.49024,"a":12.95337,"b":12.95337,"c":12.95337,"alpha":33.30607,"beta":33.30607,"gamma":33.30607,"space_group":"R3m","space_group_num":160,"crystal_system":"Trigonal","formation_energy_per_atom":-0.43152,"energy_per_atom":-13.21504,"energy_above_hull":0.01417,"point_group":"3m","Bravais_Lattice":"hR","Bravais_Combination":"hR","packing_fraction":null,"uncorrected_energy_per_atom":-4.437376328148148,"volume_per_atom":21.61075,"c_over_a":1,"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":7.0e-5,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-675137","mp_task_ids":["aaacbyaq","aaaeccyj"]}}}