{"success":true,"data":{"mp_id":"mp-998971","type":"HEA","summary":{"mp_id":"mp-998971","formula":"TiFeCoSi","nelements":4,"nsites":4,"density":6.7537,"volume":46.89512,"energy_above_hull":0.02919,"formation_energy_per_atom":-0.63163,"energy_per_atom":-7.86269,"is_stable":false,"uncorrected_energy_per_atom":-7.88044,"last_updated":"2025-09-23 22:52:51.895000+00:00","deprecated":false,"possible_species":["Co+","Ti2+","Fe+","Si4-"],"crystal_system":"Cubic","space_group":"F-43m","space_group_num":216,"point_group":"-43m","a":4.04775,"b":4.04775,"c":4.04775,"alpha":60,"beta":60,"gamma":60,"volume_cell":46.89512,"volume_per_atom":11.72378,"c_over_a":1,"b_over_a":1,"Bravais_Lattice":"aP","Lattice_Type_Detail":"Triclinic","Lattice_Centering":"Face-Centered","Is_FCC":false,"Is_BCC":false,"Is_HCP":false,"packing_fraction":null},"elasticity":{"k_vrh":215.232,"g_vrh":90.291,"k_voigt":215.232,"g_voigt":94.952,"k_reuss":215.232,"g_reuss":85.63,"poisson_ratio":null,"universal_anisotropy":0.544,"homogeneous_poisson":0.316,"E_Calc(GPa)":237.642,"nu_Calc":0.31598,"Lame_Lambda(GPa)":155.038,"Pugh_Ratio(K\/G)":2.3838,"Cauchy_Pressure(GPa)":64.747,"Vickers_Hard_Est(GPa)":7.085,"Ductility":"Ductile","Gruneisen_Approx":1.8763},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null,"vbm":null},"magnetic":{"total_magnetization":1.00285,"total_mag_norm_vol":0.02138,"num_magnetic_sites":2,"ordering":"FM","is_magnetic":true},"refs":{"dois":[],"bibtex_entries":[],"origin_tasks":["mp-1794914","mp-1794914","mp-1794914"],"raw_refs":[],"mp_task_ids":["mp-1064407","mp-999009","mp-1064396","mp-1265083","mp-2795345","mp-1611727","mp-1426558","mp-1794914","mp-2795532","mp-999028","mp-1767580","mp-2795299","mp-998971","mp-2795307","mp-1258838","mp-2690519","mp-1064354","mp-999020","mp-2795412","mp-1064337","mp-2175327","mp-2795183","mp-1262530","mp-2795373"],"mp_url":"https:\/\/next-gen.materialsproject.org\/materials\/mp-998971"}}}