{"success":true,"data":{"mp_id":"mp-1138","type":"ELA","datasets":["ELA"],"summary":{"formula":"LiF","mp_id":"mp-1138","nelements":2,"is_stable":true,"nsites":2,"density":2.53043,"volume":17.02215,"a":2.88742,"b":2.88742,"c":2.88742,"alpha":59.99999,"beta":59.99999,"gamma":60,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":-3.1644,"energy_per_atom":-5.07615,"energy_above_hull":0,"point_group":"m-3m","Bravais_Lattice":"Cubic F","Bravais_Combination":"Cubic F (Fm-3m)","packing_fraction":0.74,"uncorrected_energy_per_atom":-5.94531,"volume_per_atom":8.511075,"c_over_a":null,"b_over_a":null,"poisson_ratio":0.21028,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":69.649,"g_vrh":50.018,"E_Calc(GPa)":121.072,"homogeneous_poisson":0.21,"Vickers_Hard_Est(GPa)":10.39,"universal_anisotropy":0.195,"Lame_Lambda(GPa)":36.303666666666665,"Pugh_Ratio(K\/G)":1.3924787076652405,"Ductility":"Ductile","bulk_modulus":69.649,"shear_modulus":50.018,"debye_temperature":1111.7,"sound_velocity":4913.7,"homogeneity":0.21},"electronic":{"is_metal":false,"band_gap":8.7161,"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-1138","mp_task_ids":["aaabmcxq","aaadjpyg","aaaeilnr","aaafaobw"]},"xrd":{"by_target":{"AgKa":{"radiation":"AgKa","wavelength":0.5608,"n_peaks":24,"three_strong":[15.7898,13.6635,22.402]},"CoKa":{"radiation":"CoKa","wavelength":1.7903,"n_peaks":7,"three_strong":[52.0063,44.6282,44.6282]},"CrKa":{"radiation":"CrKa","wavelength":2.2897,"n_peaks":3,"three_strong":[68.2567,58.1406,58.1406]},"CuKa":{"radiation":"CuKa","wavelength":1.5406,"n_peaks":12,"three_strong":[44.3683,38.1733,38.1733]},"MoKa":{"radiation":"MoKa","wavelength":0.7093,"n_peaks":23,"three_strong":[20.047,17.3389,28.4993]}}}}}