{"success":true,"data":{"mp_id":"mp-132","type":"TRA","summary":{"formula":"Ca","mp_id":"mp-132","nelements":1,"is_stable":false,"nsites":4,"density":1.52751,"volume":174.27361,"a":3.94255,"b":6.50911,"c":6.79098,"alpha":90,"beta":90,"gamma":90,"space_group":"P6_3\/mmc","space_group_num":194,"crystal_system":"Hexagonal","formation_energy_per_atom":0.00591,"energy_per_atom":-7.03238,"energy_above_hull":0.00591,"point_group":"6\/mmm","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-1.999689985,"volume_per_atom":43.5684,"c_over_a":1.72248,"b_over_a":1.65099,"poisson_ratio":0.24077,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":17.349,"g_vrh":10.874,"E_Calc(GPa)":26.984,"homogeneous_poisson":0.24077,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.571,"Lame_Lambda(GPa)":10.099666666666668,"Pugh_Ratio(K\/G)":1.5954570535221628,"Ductility":"Ductile","bulk_modulus":17.349,"shear_modulus":10.874,"debye_temperature":250.3,"sound_velocity":2958.9,"homogeneity":0.241},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0.00271,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":2.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-132","mp_task_ids":["aaadmqqp","aaadrdqg","aaaegxsg","aaaeuqlb","aaafaxth","aaafwxao"]}}}