{"success":true,"data":{"mp_id":"mp-754698","type":"TRA","summary":{"formula":"NbO2","mp_id":"mp-754698","nelements":2,"is_stable":false,"nsites":12,"density":4.977,"volume":166.69477,"a":6.94335,"b":6.94335,"c":6.89719,"alpha":69.36926,"beta":69.36926,"gamma":32.61195,"space_group":"C2\/m","space_group_num":12,"crystal_system":"Monoclinic","formation_energy_per_atom":-2.84498,"energy_per_atom":-9.51073,"energy_above_hull":0.05265,"point_group":"2\/m","Bravais_Lattice":"mC","Bravais_Combination":"mC","packing_fraction":null,"uncorrected_energy_per_atom":-14.837748695833334,"volume_per_atom":13.89123,"c_over_a":0.99335,"b_over_a":1,"poisson_ratio":0.36255,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":160.143,"g_vrh":48.466,"E_Calc(GPa)":132.074,"homogeneous_poisson":0.36255,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.608,"Lame_Lambda(GPa)":127.83233333333334,"Pugh_Ratio(K\/G)":3.3042338959270414,"Ductility":"Brittle","bulk_modulus":160.143,"shear_modulus":48.466,"debye_temperature":480.3,"sound_velocity":3514.5,"homogeneity":0.363},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00023,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-754698","mp_task_ids":["aaadqdtg","aaadvdxi","aaaeplto","aaafayiq","aaagjrzm"]}}}