{"success":true,"data":{"mp_id":"mp-1246","type":"TRA","summary":{"formula":"Fe4C","mp_id":"mp-1246","nelements":2,"is_stable":false,"nsites":5,"density":6.89477,"volume":56.69157,"a":3.84155,"b":3.84155,"c":3.84155,"alpha":90,"beta":90,"gamma":90,"space_group":"P-43m","space_group_num":215,"crystal_system":"Cubic","formation_energy_per_atom":0.51577,"energy_per_atom":-8.10645,"energy_above_hull":0.51577,"point_group":"-43m","Bravais_Lattice":"cP","Bravais_Combination":"cP","packing_fraction":0.5236,"uncorrected_energy_per_atom":-8.10644729,"volume_per_atom":11.33831,"c_over_a":1,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":161.822,"g_vrh":-44.27,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.878,"Lame_Lambda(GPa)":191.33533333333332,"Pugh_Ratio(K\/G)":-3.65534221820646,"Ductility":"Ductile","bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":0.651},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":8.28202,"ordering":"FM","num_magnetic_sites":4,"total_mag_norm_vol":0.14609},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1246","mp_task_ids":["aaadmqpw","aaadsqju","aaadxxxi","aaaeumcj","aaafxhoz"]}}}