{"success":true,"data":{"mp_id":"mp-1245406","type":"HEA","summary":{"formula":"Rb2Ca5N4","mp_id":"mp-1245406","nelements":3,"is_stable":false,"nsites":44,"density":2.57636,"volume":1101.76573,"a":7.93602,"b":7.93602,"c":17.4938,"alpha":90,"beta":90,"gamma":90,"space_group":"P4\/ncc","space_group_num":130,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.51159,"energy_per_atom":-4.6336,"energy_above_hull":0.2282,"point_group":"4\/mmm","Bravais_Lattice":"tP","Bravais_Combination":"tP","packing_fraction":null,"uncorrected_energy_per_atom":-4.50233,"volume_per_atom":25.04013,"c_over_a":2.20435,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"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":false,"total_magnetization":0.21451,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0.00019},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1245406","mp_task_ids":["aaacswig"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":157,"three_strong":[10.6152,11.0391,12.8322]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":70,"three_strong":[34.3457,35.7583,41.7934]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":43,"three_strong":[44.3997,46.2679,54.3164]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":93,"three_strong":[29.4624,30.6637,35.7799]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":145,"three_strong":[13.4629,14.0015,16.2812]}}}}}