{"success":true,"data":{"mp_id":"mp-1074349","type":"TRA","summary":{"formula":"Mg4Si3","mp_id":"mp-1074349","nelements":2,"is_stable":false,"nsites":14,"density":2.14228,"volume":281.33486,"a":5.46908,"b":6.98488,"c":7.98776,"alpha":102.55368,"beta":108.97634,"gamma":88.48072,"space_group":"P1","space_group_num":1,"crystal_system":"Triclinic","formation_energy_per_atom":0.12113,"energy_per_atom":-3.1357,"energy_above_hull":0.21422,"point_group":"1","Bravais_Lattice":"aP","Bravais_Combination":"aP","packing_fraction":null,"uncorrected_energy_per_atom":-3.1661280321428573,"volume_per_atom":20.09535,"c_over_a":1.46053,"b_over_a":1.27716,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":null,"g_vrh":null,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":null,"Lame_Lambda(GPa)":null,"Pugh_Ratio(K\/G)":null,"Ductility":null,"bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":null},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":false,"total_magnetization":0.00043,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1074349","mp_task_ids":["aaacjdis","aaaecowv"]}}}