{"success":true,"data":{"mp_id":"mp-1080664","type":"TRA","summary":{"formula":"CrB","mp_id":"mp-1080664","nelements":2,"is_stable":true,"nsites":8,"density":6.35621,"volume":65.63257,"a":2.90047,"b":2.90049,"c":8.06684,"alpha":100.36196,"beta":100.36187,"gamma":89.99591,"space_group":"I4_1\/amd","space_group_num":141,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.41076,"energy_per_atom":-11.62061,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-11.620612545,"volume_per_atom":8.20407,"c_over_a":2.78122,"b_over_a":1.00001,"poisson_ratio":0.19761,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":304.935,"g_vrh":230.98,"E_Calc(GPa)":553.249,"homogeneous_poisson":0.19761,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.068,"Lame_Lambda(GPa)":150.94833333333335,"Pugh_Ratio(K\/G)":1.320179236297515,"Ductility":"Ductile","bulk_modulus":304.935,"shear_modulus":230.98,"debye_temperature":981.9,"sound_velocity":6653.3,"homogeneity":0.198},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1080664","mp_task_ids":["aaadmken","aaadsrcx","aaaeikbn","aaaeuuae","aaafwxja"]}}}