{"success":true,"data":{"mp_id":"mp-1976","type":"TRA","summary":{"formula":"CaGa4","mp_id":"mp-1976","nelements":2,"is_stable":true,"nsites":5,"density":5.32223,"volume":99.51892,"a":4.3277,"b":4.3277,"c":6.13181,"alpha":110.66417,"beta":110.66417,"gamma":90,"space_group":"I4\/mmm","space_group_num":139,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.42335,"energy_per_atom":-10.98523,"energy_above_hull":0,"point_group":"4\/mmm","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-10.985232352,"volume_per_atom":19.90378,"c_over_a":1.41688,"b_over_a":1,"poisson_ratio":0.43811,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":51.077,"g_vrh":6.594,"E_Calc(GPa)":18.966,"homogeneous_poisson":0.43811,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":-1.06,"Lame_Lambda(GPa)":46.681,"Pugh_Ratio(K\/G)":7.74598119502578,"Ductility":"Brittle","bulk_modulus":51.077,"shear_modulus":6.594,"debye_temperature":139.1,"sound_velocity":1266.5,"homogeneity":0.438},"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-1976","mp_task_ids":["aaaciwyn","aaadrlvg","aaaeimhy","aaaeupgm","aaafwyhb"]}}}