{"success":true,"data":{"mp_id":"mp-999192","type":"TRA","summary":{"formula":"SiNi","mp_id":"mp-999192","nelements":2,"is_stable":false,"nsites":4,"density":6.3828,"volume":45.15254,"a":3.28033,"b":2.94277,"c":4.67745,"alpha":90,"beta":90,"gamma":90,"space_group":"Pmmn","space_group_num":59,"crystal_system":"Orthorhombic","formation_energy_per_atom":-0.4088,"energy_per_atom":-10.78654,"energy_above_hull":0.06186,"point_group":"mmm","Bravais_Lattice":"oP","Bravais_Combination":"oP","packing_fraction":null,"uncorrected_energy_per_atom":-10.786536575,"volume_per_atom":11.28814,"c_over_a":1.42591,"b_over_a":0.8971,"poisson_ratio":0.28877,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":173.822,"g_vrh":85.469,"E_Calc(GPa)":220.3,"homogeneous_poisson":0.28877,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":2.008,"Lame_Lambda(GPa)":116.84266666666667,"Pugh_Ratio(K\/G)":2.0337432285390027,"Ductility":"Brittle","bulk_modulus":173.822,"shear_modulus":85.469,"debye_temperature":541.6,"sound_velocity":4081.6,"homogeneity":0.289},"electronic":{"is_metal":true,"band_gap":0,"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-999192","mp_task_ids":["aaacisaf","aaadqxnd","aaaembba","aaaerdfj","aaafxigm"]}}}