{"success":true,"data":{"mp_id":"mp-1218673","type":"TRA","summary":{"formula":"Sr4Zn51","mp_id":"mp-1218673","nelements":2,"is_stable":false,"nsites":55,"density":6.59168,"volume":928.64202,"a":14.96097,"b":14.96097,"c":14.96097,"alpha":33.90468,"beta":33.90468,"gamma":33.90468,"space_group":"R-3","space_group_num":148,"crystal_system":"Trigonal","formation_energy_per_atom":-0.19585,"energy_per_atom":-9.55991,"energy_above_hull":0.00646,"point_group":"-3","Bravais_Lattice":"hR","Bravais_Combination":"hR","packing_fraction":null,"uncorrected_energy_per_atom":-1.4545139983636364,"volume_per_atom":16.8844,"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":0.01058,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":1.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1218673","mp_task_ids":["aaacxoak"]}}}