{"success":true,"data":{"mp_id":"mp-37657","type":"ELA","summary":{"formula":"Ca3SiO5","mp_id":"mp-37657","nelements":3,"is_stable":false,"nsites":18,"density":2.99638,"volume":253.05741,"a":7.25092,"b":7.25092,"c":5.55778,"alpha":90,"beta":90,"gamma":120,"space_group":"P6_3mc","space_group_num":186,"crystal_system":"Hexagonal","formation_energy_per_atom":-3.40989,"energy_per_atom":-7.4301,"energy_above_hull":0.02883,"point_group":"6mm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-7.04843,"volume_per_atom":14.05875,"c_over_a":0.76649,"b_over_a":1,"poisson_ratio":0.26705,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":95.423,"g_vrh":52.632,"E_Calc(GPa)":133.374,"homogeneous_poisson":0.267,"Vickers_Hard_Est(GPa)":7.13,"universal_anisotropy":0.173,"Lame_Lambda(GPa)":60.335,"Pugh_Ratio(K\/G)":1.8130224958200336,"Ductility":"Brittle","bulk_modulus":95.423,"shear_modulus":52.632,"debye_temperature":663.9,"sound_velocity":4662.3,"homogeneity":0.267},"electronic":{"is_metal":false,"band_gap":2.9302,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":6.0e-5,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-37657","mp_task_ids":["aaaclovn","aaacybxb"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":111,"three_strong":[11.7764,10.249,17.7996]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":37,"three_strong":[38.2275,33.1293,37.5821]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":19,"three_strong":[49.5469,48.6881,78.3838]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":45,"three_strong":[32.7601,32.2125,50.3369]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":99,"three_strong":[14.9386,12.9977,22.6108]}}}}}