{"success":true,"data":{"mp_id":"mp-971928","type":"TRA","summary":{"formula":"Zn3Ge","mp_id":"mp-971928","nelements":2,"is_stable":false,"nsites":4,"density":7.19223,"volume":62.07587,"a":4.86552,"b":4.86552,"c":4.86552,"alpha":132.14831,"beta":132.14831,"gamma":69.99489,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":0.18703,"energy_per_atom":-9.96392,"energy_above_hull":0.18703,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-9.9639184075,"volume_per_atom":15.51897,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.44379,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":65.75,"g_vrh":7.68,"E_Calc(GPa)":22.177,"homogeneous_poisson":0.44379,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":-0.766,"Lame_Lambda(GPa)":60.63,"Pugh_Ratio(K\/G)":8.561197916666668,"Ductility":"Brittle","bulk_modulus":65.75,"shear_modulus":7.68,"debye_temperature":140.4,"sound_velocity":1176.6,"homogeneity":0.444},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-971928","mp_task_ids":["aaadnvgd","aaadwmob","aaaesbsl","aaafjbor","aaagjbca"]}}}