{"success":true,"data":{"mp_id":"mp-5260","type":"HEA","summary":{"formula":"Ho(GeRu)2","mp_id":"mp-5260","nelements":3,"is_stable":true,"nsites":5,"density":9.72443,"volume":87.48867,"a":4.23317,"b":4.23317,"c":5.7268,"alpha":111.6905,"beta":111.6905,"gamma":90,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.64107,"energy_per_atom":-7.11958,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-22.99762,"volume_per_atom":17.49773,"c_over_a":1.35284,"b_over_a":1,"poisson_ratio":0.31512,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":135.733,"g_vrh":57.245,"E_Calc(GPa)":150.568,"homogeneous_poisson":0.31512,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.198,"Lame_Lambda(GPa)":97.56966666666668,"Pugh_Ratio(K\/G)":2.3710891780941568,"Ductility":"Brittle","bulk_modulus":135.733,"shear_modulus":57.245,"debye_temperature":354.3,"sound_velocity":2715.3,"homogeneity":0.315},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-5260","mp_task_ids":["aaadmgky","aaadsojh","aaaeilad","aaaeuqex","aaafwwiq"]}}}