{"success":true,"data":{"mp_id":"mp-2371187","type":"HEA","summary":{"formula":"Cu2B2C","mp_id":"mp-2371187","nelements":3,"is_stable":false,"nsites":5,"density":4.05956,"volume":65.74347,"a":3.82994,"b":3.82994,"c":5.19535,"alpha":68.99807,"beta":68.99807,"gamma":89.74389,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":0.63076,"energy_per_atom":-8.63594,"energy_above_hull":0.69605,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-5.5113,"volume_per_atom":13.14869,"c_over_a":1.35651,"b_over_a":1,"poisson_ratio":0.43954,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":78.177,"g_vrh":9.851,"E_Calc(GPa)":28.362,"homogeneous_poisson":0.43954,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.064,"Lame_Lambda(GPa)":71.60966666666667,"Pugh_Ratio(K\/G)":7.935945589280276,"Ductility":"Brittle","bulk_modulus":78.177,"shear_modulus":9.851,"debye_temperature":223.6,"sound_velocity":1772.8,"homogeneity":0.44},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-2371187","mp_task_ids":["aaafexrn"]}}}