{"success":true,"data":{"mp_id":"mp-1073557","type":"TRA","summary":{"formula":"MgSi2","mp_id":"mp-1073557","nelements":2,"is_stable":false,"nsites":12,"density":2.41746,"volume":221.11437,"a":3.69542,"b":5.94015,"c":10.19679,"alpha":97.87065,"beta":92.99101,"gamma":92.58055,"space_group":"P1","space_group_num":1,"crystal_system":"Triclinic","formation_energy_per_atom":0.22729,"energy_per_atom":-3.93308,"energy_above_hull":0.28159,"point_group":"1","Bravais_Lattice":"aP","Bravais_Combination":"aP","packing_fraction":null,"uncorrected_energy_per_atom":-3.9804084383333334,"volume_per_atom":18.4262,"c_over_a":2.7593,"b_over_a":1.60744,"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":0.00293,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":1.0e-5},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1073557","mp_task_ids":["aaacjcee","aaaefmow"]}}}