{"success":true,"data":{"mp_id":"mp-1212927","type":"HEA","summary":{"formula":"Er3Cu11Si4","mp_id":"mp-1212927","nelements":3,"is_stable":false,"nsites":36,"density":8.29442,"volume":525.77376,"a":8.40486,"b":8.40486,"c":8.59424,"alpha":90,"beta":90,"gamma":120,"space_group":"P6_3\/mmc","space_group_num":194,"crystal_system":"Hexagonal","formation_energy_per_atom":-0.36155,"energy_per_atom":-14.59411,"energy_above_hull":0.05849,"point_group":"6\/mmm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-4.80364,"volume_per_atom":14.60483,"c_over_a":1.02253,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":null,"g_vrh":null,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":null,"Lame_Lambda(GPa)":null,"Pugh_Ratio(K\/G)":null,"Ductility":null,"bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":null},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":1.0e-5,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1212927","mp_task_ids":["aaaechhr"]}}}