{"success":true,"data":{"mp_id":"mp-2596","type":"TRA","summary":{"formula":"NpN","mp_id":"mp-2596","nelements":2,"is_stable":true,"nsites":2,"density":13.7178,"volume":30.38435,"a":3.50258,"b":3.50258,"c":3.50258,"alpha":60,"beta":59.99999,"gamma":60,"space_group":"Fm-3m","space_group_num":225,"crystal_system":"Cubic","formation_energy_per_atom":-1.62856,"energy_per_atom":-47.70504,"energy_above_hull":0,"point_group":"m-3m","Bravais_Lattice":"cF","Bravais_Combination":"cF","packing_fraction":0.7405,"uncorrected_energy_per_atom":-47.70503867,"volume_per_atom":15.19218,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.26226,"Is_FCC":1,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":151.141,"g_vrh":85.399,"E_Calc(GPa)":215.592,"homogeneous_poisson":0.26226,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.479,"Lame_Lambda(GPa)":94.20833333333331,"Pugh_Ratio(K\/G)":1.7698216606751833,"Ductility":"Brittle","bulk_modulus":151.141,"shear_modulus":85.399,"debye_temperature":872.3,"sound_velocity":2774,"homogeneity":0.262},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":3.57996,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0.11782},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-2596","mp_task_ids":["aaaciera","aaadrgro","aaaegsmf","aaaeuptd","aaafbysj"]}}}