{"success":true,"data":{"mp_id":"mp-12764","type":"TRA","summary":{"formula":"SmC2","mp_id":"mp-12764","nelements":2,"is_stable":true,"nsites":3,"density":6.39518,"volume":45.27899,"a":3.77315,"b":3.77315,"c":4.15133,"alpha":117.02957,"beta":117.02958,"gamma":89.99999,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.32606,"energy_per_atom":-16.86852,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-16.868520623333335,"volume_per_atom":15.093,"c_over_a":1.10023,"b_over_a":1,"poisson_ratio":0.34372,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":106.514,"g_vrh":37.163,"E_Calc(GPa)":99.874,"homogeneous_poisson":0.34372,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":15.619,"Lame_Lambda(GPa)":81.73866666666666,"Pugh_Ratio(K\/G)":2.8661302908807147,"Ductility":"Brittle","bulk_modulus":106.514,"shear_modulus":37.163,"debye_temperature":631.5,"sound_velocity":2708,"homogeneity":0.344},"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-12764","mp_task_ids":["aaadmkkv","aaaekxkp","aaaesnkr","aaafaofk","aaafwygt"]}}}