{"success":true,"data":{"mp_id":"mp-8973","type":"ELA","summary":{"formula":"NaSi2N3","mp_id":"mp-8973","nelements":3,"is_stable":true,"nsites":12,"density":3.18355,"volume":126.416,"a":4.87351,"b":5.46568,"c":5.46567,"alpha":119.73761,"beta":90,"gamma":90,"space_group":"Cmc2_1","space_group_num":36,"crystal_system":"Orthorhombic","formation_energy_per_atom":-1.2554,"energy_per_atom":-9.33839,"energy_above_hull":0,"point_group":"mm2","Bravais_Lattice":"oC","Bravais_Combination":"oC","packing_fraction":null,"uncorrected_energy_per_atom":-9.33839,"volume_per_atom":10.53467,"c_over_a":1.12151,"b_over_a":1.12151,"poisson_ratio":0.24237,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":186.672,"g_vrh":116.13,"E_Calc(GPa)":288.553,"homogeneous_poisson":0.242,"Vickers_Hard_Est(GPa)":15.529,"universal_anisotropy":0.282,"Lame_Lambda(GPa)":109.252,"Pugh_Ratio(K\/G)":1.6074399380005167,"Ductility":"Ductile","bulk_modulus":186.672,"shear_modulus":116.13,"debye_temperature":909.5,"sound_velocity":6699.3,"homogeneity":0.242},"electronic":{"is_metal":false,"band_gap":4.1827,"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-8973","mp_task_ids":["aaabnehp","aaaclsrm","aaaelosp","aaaenotm","aaaezoun","aaafseux"]}}}