{"success":true,"data":{"mp_id":"mp-556353","type":"HEA","summary":{"formula":"Rb2NaNiF6","mp_id":"mp-556353","nelements":4,"is_stable":false,"nsites":10,"density":3.93882,"volume":154.55604,"a":6.02375,"b":6.02375,"c":6.02375,"alpha":60,"beta":60,"gamma":60,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":-2.60627,"energy_per_atom":-4.66331,"energy_above_hull":0.00306,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-4.13201,"volume_per_atom":15.4556,"c_over_a":1,"b_over_a":1,"poisson_ratio":null,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":null,"g_vrh":null,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":null,"Lame_Lambda(GPa)":null,"Pugh_Ratio(K\/G)":null,"Ductility":null,"bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":null},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":1.00003,"ordering":"FM","num_magnetic_sites":1,"total_mag_norm_vol":0.00647},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-556353","mp_task_ids":["aaadndmg","aaadsphr","aaaegctd","aaaeuals","aaafyiit"]},"xrd":{"by_target":{"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":17,"three_strong":[29.661,42.444,52.6338]}}}}}