{"success":true,"data":{"mp_id":"mp-1013524","type":"TRA","summary":{"formula":"Ca3N2","mp_id":"mp-1013524","nelements":2,"is_stable":false,"nsites":5,"density":2.5272,"volume":97.40839,"a":4.60114,"b":4.60114,"c":4.60114,"alpha":90,"beta":90,"gamma":90,"space_group":"Pm-3m","space_group_num":221,"crystal_system":"Cubic","formation_energy_per_atom":-0.44855,"energy_per_atom":-8.32303,"energy_above_hull":0.51117,"point_group":"m-3m","Bravais_Lattice":"cP","Bravais_Combination":"cP","packing_fraction":0.5236,"uncorrected_energy_per_atom":-4.815781982,"volume_per_atom":19.48168,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.18404,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":61.811,"g_vrh":49.482,"E_Calc(GPa)":117.178,"homogeneous_poisson":0.18404,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.625,"Lame_Lambda(GPa)":28.823,"Pugh_Ratio(K\/G)":1.2491613111838649,"Ductility":"Ductile","bulk_modulus":61.811,"shear_modulus":49.482,"debye_temperature":539.4,"sound_velocity":4876.8,"homogeneity":0.184},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":2.0e-5,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1013524","mp_task_ids":["aaadolng","aaadutxe","aaadyhxw","aaaesqjl","aaafbmtf"]}}}