{"success":true,"data":{"mp_id":"mp-1062228","type":"TRA","summary":{"formula":"CaO2","mp_id":"mp-1062228","nelements":2,"is_stable":false,"nsites":3,"density":2.85257,"volume":41.95733,"a":3.5524,"b":3.69298,"c":3.69298,"alpha":119.99999,"beta":90,"gamma":90,"space_group":"P-3m1","space_group_num":164,"crystal_system":"Trigonal","formation_energy_per_atom":-1.7122,"energy_per_atom":-5.67937,"energy_above_hull":0.49436,"point_group":"-3m","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-5.2213702500000005,"volume_per_atom":13.98578,"c_over_a":1.03957,"b_over_a":1.03957,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":-171.337,"g_vrh":-141.727,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":-172.45,"Lame_Lambda(GPa)":-76.85233333333332,"Pugh_Ratio(K\/G)":1.2089227881772702,"Ductility":"Ductile","bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":0.176},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":1.99999,"ordering":"FM","num_magnetic_sites":2,"total_mag_norm_vol":0.04767},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1062228","mp_task_ids":["aaacilll","aaadrzcc","aaaeuluo","aaafaogi","aaafsbov"]}}}