{"success":true,"data":{"mp_id":"mp-1074803","type":"TRA","summary":{"formula":"Mg7Si4","mp_id":"mp-1074803","nelements":2,"is_stable":false,"nsites":22,"density":2.11348,"volume":443.87777,"a":5.44261,"b":6.22109,"c":13.17636,"alpha":87.02191,"beta":85.19263,"gamma":88.59916,"space_group":"P1","space_group_num":1,"crystal_system":"Triclinic","formation_energy_per_atom":0.08581,"energy_per_atom":-2.92461,"energy_above_hull":0.18947,"point_group":"1","Bravais_Lattice":"aP","Bravais_Combination":"aP","packing_fraction":null,"uncorrected_energy_per_atom":-2.9504258913636363,"volume_per_atom":20.17626,"c_over_a":2.42096,"b_over_a":1.14303,"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":0.00146,"ordering":"NM","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1074803","mp_task_ids":["aaacjebp","aaadzqwf"]}}}