{"success":true,"data":{"mp_id":"mp-3282159","type":"TRA","summary":{"formula":"Hf(Nb2N3)2","mp_id":"mp-3282159","nelements":3,"is_stable":true,"nsites":22,"density":8.30932,"volume":253.46014,"a":5.28121,"b":5.28121,"c":10.49331,"alpha":90,"beta":90,"gamma":120.00001,"space_group":"P6_322","space_group_num":182,"crystal_system":"Hexagonal","formation_energy_per_atom":-1.41254,"energy_per_atom":-19.49074,"energy_above_hull":0,"point_group":"622","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-19.490744672272726,"volume_per_atom":11.52092,"c_over_a":1.98691,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":null,"g_vrh":null,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":null,"Lame_Lambda(GPa)":null,"Pugh_Ratio(K\/G)":null,"Ductility":null,"bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":null},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":5.0e-5,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-3282159","mp_task_ids":["aaahetgx"]}}}