{"success":true,"data":{"mp_id":"mp-30339","type":"TRA","summary":{"formula":"ErAg2","mp_id":"mp-30339","nelements":2,"is_stable":true,"nsites":3,"density":10.30091,"volume":61.74005,"a":3.68157,"b":3.68157,"c":5.24653,"alpha":110.53978,"beta":110.53977,"gamma":89.99998,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.32592,"energy_per_atom":-3.74378,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-25.887929663333335,"volume_per_atom":20.58002,"c_over_a":1.42508,"b_over_a":1,"poisson_ratio":0.30793,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":77.336,"g_vrh":34.07,"E_Calc(GPa)":89.123,"homogeneous_poisson":0.30793,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":1.033,"Lame_Lambda(GPa)":54.62266666666666,"Pugh_Ratio(K\/G)":2.2699148811270913,"Ductility":"Brittle","bulk_modulus":77.336,"shear_modulus":34.07,"debye_temperature":267.4,"sound_velocity":2033.4,"homogeneity":0.308},"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-30339","mp_task_ids":["aaadmkps","aaadrgrj","aaaegvxo","aaaeulsn","aaafsagz"]}}}