{"success":true,"data":{"mp_id":"mp-590","type":"TRA","summary":{"formula":"NiAs","mp_id":"mp-590","nelements":2,"is_stable":false,"nsites":4,"density":7.87801,"volume":56.32713,"a":3.60266,"b":3.60266,"c":5.01119,"alpha":90,"beta":90,"gamma":120,"space_group":"P6_3\/mmc","space_group_num":194,"crystal_system":"Hexagonal","formation_energy_per_atom":-0.29148,"energy_per_atom":-13.63611,"energy_above_hull":0.00777,"point_group":"6\/mmm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-13.636105765,"volume_per_atom":14.08178,"c_over_a":1.39097,"b_over_a":1,"poisson_ratio":0.33389,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":117.218,"g_vrh":43.793,"E_Calc(GPa)":116.83,"homogeneous_poisson":0.33389,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.783,"Lame_Lambda(GPa)":88.02266666666667,"Pugh_Ratio(K\/G)":2.6766378188294935,"Ductility":"Brittle","bulk_modulus":117.218,"shear_modulus":43.793,"debye_temperature":428.9,"sound_velocity":2645.1,"homogeneity":0.334},"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-590","mp_task_ids":["aaacinqn","aaadrzal","aaaehmzc","aaaeutge","aaafcbgu"]}}}