{"success":true,"data":{"mp_id":"mp-20937","type":"TRA","summary":{"formula":"Cr3C2","mp_id":"mp-20937","nelements":2,"is_stable":true,"nsites":20,"density":6.92035,"volume":172.77346,"a":2.78829,"b":5.44086,"c":11.38863,"alpha":89.99875,"beta":90,"gamma":90,"space_group":"Pnma","space_group_num":62,"crystal_system":"Orthorhombic","formation_energy_per_atom":-0.09859,"energy_per_atom":-9.58281,"energy_above_hull":0,"point_group":"mmm","Bravais_Lattice":"oP","Bravais_Combination":"oP","packing_fraction":null,"uncorrected_energy_per_atom":-12.985716411000002,"volume_per_atom":8.63867,"c_over_a":4.08445,"b_over_a":1.95133,"poisson_ratio":0.2764,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":319.679,"g_vrh":168.003,"E_Calc(GPa)":428.879,"homogeneous_poisson":0.2764,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.487,"Lame_Lambda(GPa)":207.67699999999996,"Pugh_Ratio(K\/G)":1.902817211597412,"Ductility":"Brittle","bulk_modulus":319.679,"shear_modulus":168.003,"debye_temperature":796,"sound_velocity":5487.4,"homogeneity":0.276},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":0.00302,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":2.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-20937","mp_task_ids":["aaadnoob","aaadsznv","aaaektfg","aaaetnzj","aaafipgg"]}}}