{"success":true,"data":{"mp_id":"mp-1009459","type":"TRA","summary":{"formula":"NbC","mp_id":"mp-1009459","nelements":2,"is_stable":false,"nsites":2,"density":7.88191,"volume":22.10365,"a":2.80643,"b":2.80643,"c":2.80643,"alpha":90,"beta":90,"gamma":90,"space_group":"Pm-3m","space_group_num":221,"crystal_system":"Cubic","formation_energy_per_atom":0.39323,"energy_per_atom":-16.94743,"energy_above_hull":0.95887,"point_group":"m-3m","Bravais_Lattice":"cP","Bravais_Combination":"cP","packing_fraction":0.5236,"uncorrected_energy_per_atom":-9.205328575,"volume_per_atom":11.05182,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.48603,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":275.894,"g_vrh":7.781,"E_Calc(GPa)":23.126,"homogeneous_poisson":0.48603,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":-11.732,"Lame_Lambda(GPa)":270.70666666666665,"Pugh_Ratio(K\/G)":35.457396221565354,"Ductility":"Brittle","bulk_modulus":275.894,"shear_modulus":7.781,"debye_temperature":151.9,"sound_velocity":1136.5,"homogeneity":0.486},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00031,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":1.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1009459","mp_task_ids":["aaacifwj","aaaddfag","aaadrbhh","aaaettyb","aaafxbmy"]}}}