{"success":true,"data":{"mp_id":"mp-2243","type":"TRA","summary":{"formula":"NbS","mp_id":"mp-2243","nelements":2,"is_stable":false,"nsites":2,"density":6.54535,"volume":31.70495,"a":3.31855,"b":3.31855,"c":3.3243,"alpha":90,"beta":90,"gamma":120.00001,"space_group":"P-6m2","space_group_num":187,"crystal_system":"Hexagonal","formation_energy_per_atom":-1.13542,"energy_per_atom":-8.25478,"energy_above_hull":0.08279,"point_group":"-6m2","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-8.003275125,"volume_per_atom":15.85248,"c_over_a":1.00173,"b_over_a":1,"poisson_ratio":0.266,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":178.147,"g_vrh":98.782,"E_Calc(GPa)":250.116,"homogeneous_poisson":0.266,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.109,"Lame_Lambda(GPa)":112.29233333333333,"Pugh_Ratio(K\/G)":1.8034358486363913,"Ductility":"Brittle","bulk_modulus":178.147,"shear_modulus":98.782,"debye_temperature":512,"sound_velocity":4321.1,"homogeneity":0.266},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00051,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":2.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-2243","mp_task_ids":["aaaddycj","aaadmlkd","aaaeussf","aaafamop","aaafsrkh"]}}}