{"success":true,"data":{"mp_id":"mp-3534","type":"HEA","summary":{"formula":"Ge2Sb2Te5","mp_id":"mp-3534","nelements":3,"is_stable":false,"nsites":9,"density":6.01381,"volume":283.52112,"a":4.26483,"b":4.26483,"c":17.99911,"alpha":90,"beta":90,"gamma":120,"space_group":"P-3m1","space_group_num":164,"crystal_system":"Trigonal","formation_energy_per_atom":-0.3245,"energy_per_atom":-4.01568,"energy_above_hull":0.02315,"point_group":"-3m","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-3.7812309833333333,"volume_per_atom":31.50235,"c_over_a":4.22036,"b_over_a":1,"poisson_ratio":0.2157,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":22.025,"g_vrh":15.452,"E_Calc(GPa)":37.57,"homogeneous_poisson":0.2157,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":3.659,"Lame_Lambda(GPa)":11.723666666666665,"Pugh_Ratio(K\/G)":1.4253818275951333,"Ductility":"Ductile","bulk_modulus":22.025,"shear_modulus":15.452,"debye_temperature":230.9,"sound_velocity":1772.6,"homogeneity":0.216},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00025,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-3534","mp_task_ids":["aaadmycx","aaadsnne","aaaefwno","aaaetool","aaafwyph"]}}}