{"success":true,"data":{"mp_id":"mp-570786","type":"TRA","summary":{"formula":"KNa2","mp_id":"mp-570786","nelements":2,"is_stable":false,"nsites":12,"density":0.96223,"volume":587.28148,"a":7.38878,"b":7.38879,"c":12.42138,"alpha":90,"beta":90,"gamma":120.00002,"space_group":"P6_3\/mmc","space_group_num":194,"crystal_system":"Hexagonal","formation_energy_per_atom":0.0029,"energy_per_atom":-4.37931,"energy_above_hull":0.0029,"point_group":"6\/mmm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-4.3793062375,"volume_per_atom":48.94012,"c_over_a":1.68111,"b_over_a":1,"poisson_ratio":0.38553,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":5.733,"g_vrh":1.421,"E_Calc(GPa)":3.938,"homogeneous_poisson":0.38553,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":21.943,"Lame_Lambda(GPa)":4.785666666666666,"Pugh_Ratio(K\/G)":4.0344827586206895,"Ductility":"Brittle","bulk_modulus":5.733,"shear_modulus":1.421,"debye_temperature":137.2,"sound_velocity":1372.9,"homogeneity":0.386},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0.00066,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-570786","mp_task_ids":["aaadnnpy","aaadtgdy","aaaelcwe","aaaetpxs"]}}}