{"success":true,"data":{"mp_id":"mp-20857","type":"TRA","summary":{"formula":"CoB","mp_id":"mp-20857","nelements":2,"is_stable":true,"nsites":8,"density":7.65398,"volume":60.52428,"a":3.04722,"b":3.88778,"c":5.10885,"alpha":90,"beta":90,"gamma":90,"space_group":"Pnma","space_group_num":62,"crystal_system":"Orthorhombic","formation_energy_per_atom":-0.29752,"energy_per_atom":-10.58782,"energy_above_hull":0,"point_group":"mmm","Bravais_Lattice":"oP","Bravais_Combination":"oP","packing_fraction":null,"uncorrected_energy_per_atom":-10.58781691875,"volume_per_atom":7.56553,"c_over_a":1.67656,"b_over_a":1.27584,"poisson_ratio":0.29181,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":308.915,"g_vrh":149.359,"E_Calc(GPa)":385.886,"homogeneous_poisson":0.29181,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.231,"Lame_Lambda(GPa)":209.34233333333333,"Pugh_Ratio(K\/G)":2.0682717479361807,"Ductility":"Brittle","bulk_modulus":308.915,"shear_modulus":149.359,"debye_temperature":747.3,"sound_velocity":4929.1,"homogeneity":0.292},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-20857","mp_task_ids":["aaadmwee","aaadszqw","aaaemqrf","aaaeulsq","aaafsbkg"]}}}