{"success":true,"data":{"mp_id":"mp-2759","type":"TRA","summary":{"formula":"Ho6Fe23","mp_id":"mp-2759","nelements":2,"is_stable":false,"nsites":29,"density":8.66847,"volume":435.61249,"a":8.50886,"b":8.50886,"c":8.50865,"alpha":60.00081,"beta":60.0008,"gamma":60.00196,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":-0.05614,"energy_per_atom":-7.72499,"energy_above_hull":0.01044,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-18.272570371034483,"volume_per_atom":15.02112,"c_over_a":0.99998,"b_over_a":1,"poisson_ratio":null,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":-34.80019,"g_vrh":-1607.604,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":-272.647,"Lame_Lambda(GPa)":1036.9358100000002,"Pugh_Ratio(K\/G)":0.02164724024075581,"Ductility":"Ductile","bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":0.477},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":54.16944,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0.12435},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-2759","mp_task_ids":["aaacbozb","aaadtjyj","aaaektcz","aaaetqlu"]}}}