{"success":true,"data":{"mp_id":"mp-1024963","type":"HEA","summary":{"mp_id":"mp-1024963","formula":"TbCo2B2C","nelements":4,"nsites":6,"density":7.96238,"volume":64.73839,"energy_above_hull":0.02521,"formation_energy_per_atom":-0.43033,"energy_per_atom":-7.34608,"is_stable":false,"uncorrected_energy_per_atom":-7.34608,"last_updated":"2025-09-23 22:50:57.827000+00:00","deprecated":false,"possible_species":["C3-","B2-","Co2+","Tb3+"],"crystal_system":"Tetragonal","space_group":"I4\/mmm","space_group_num":139,"point_group":"4\/mmm","a":5.71987,"b":5.71987,"c":5.71987,"alpha":143.8538,"beta":143.8538,"gamma":52.046,"volume_cell":64.73839,"volume_per_atom":10.78973,"c_over_a":1,"b_over_a":1,"Bravais_Lattice":"aP","Lattice_Type_Detail":"Triclinic","Lattice_Centering":"Body-Centered","Is_FCC":false,"Is_BCC":false,"Is_HCP":false,"packing_fraction":null},"elasticity":{"k_vrh":171.359,"g_vrh":66.442,"k_voigt":171.642,"g_voigt":74.382,"k_reuss":171.076,"g_reuss":58.502,"poisson_ratio":null,"universal_anisotropy":1.361,"homogeneous_poisson":0.328,"E_Calc(GPa)":176.513,"nu_Calc":0.32832,"Lame_Lambda(GPa)":127.064,"Pugh_Ratio(K\/G)":2.5791,"Cauchy_Pressure(GPa)":60.622,"Vickers_Hard_Est(GPa)":4.687,"Ductility":"Ductile","Gruneisen_Approx":1.963},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null,"vbm":null},"magnetic":{"total_magnetization":0.28639,"total_mag_norm_vol":0.00442,"num_magnetic_sites":2,"ordering":"FM","is_magnetic":true},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-1790866","mp-1790866","mp-1790866"],"raw_refs":[],"mp_task_ids":["mp-2451523","mp-2451474","mp-2451504","mp-2451432","mp-1024963","mp-1206563","mp-1625763","mp-2451270","mp-2451498","mp-1790866","mp-2451522","mp-2346640","mp-2346659","mp-2346214","mp-2100653","mp-2346215","mp-1390263","mp-2346644","mp-2346596","mp-2310857","mp-1760306"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-1024963"}}}