# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.78516800 _cell_length_b 7.20712876 _cell_length_c 13.12115101 _cell_angle_alpha 100.92872730 _cell_angle_beta 87.08597631 _cell_angle_gamma 111.22556738 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 500.62303088 _cell_formula_units_Z 2 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Mg Mg0 1 0.00582000 0.71806200 0.29971000 1.0 Mg Mg1 1 0.09045800 0.27362300 0.56420800 1.0 Mg Mg2 1 0.50351000 0.56673400 0.46140600 1.0 Mg Mg3 1 0.58651900 0.28958600 0.59217200 1.0 Mg Mg4 1 0.70948600 0.99272800 0.39287500 1.0 Mg Mg5 1 0.13325200 0.84214700 0.55337600 1.0 Mg Mg6 1 0.99853500 0.68116900 0.93414900 1.0 Mg Mg7 1 0.09276400 0.42823300 0.10402000 1.0 Mg Mg8 1 0.42011400 0.94845100 0.81990200 1.0 Mg Mg9 1 0.35716200 0.12196800 0.06488000 1.0 Si Si10 1 0.37255700 0.37826800 0.92938000 1.0 Si Si11 1 0.70818200 0.56585500 0.11636600 1.0 Si Si12 1 0.88426800 0.88839400 0.76188500 1.0 Si Si13 1 0.12647400 0.29036700 0.28958000 1.0 Si Si14 1 0.44769200 0.62376900 0.67844100 1.0 Si Si15 1 0.65302700 0.27699900 0.26236500 1.0 Si Si16 1 0.85101900 0.26912300 0.75885400 1.0 Si Si17 1 0.43232600 0.88207400 0.18414000 1.0 Si Si18 1 0.02126300 0.60480900 0.71553100 1.0 Si Si19 1 0.91690500 0.44552600 0.43463900 1.0 Si Si20 1 0.89400000 0.97722600 0.15931000 1.0 Si Si21 1 0.87186100 0.02040400 0.96810500 1.0 Si Si22 1 0.24269200 0.22355400 0.75272300 1.0 Si Si23 1 0.46905900 0.61003900 0.26574500 1.0 Si Si24 1 0.74143800 0.29633700 0.93999300 1.0 Si Si25 1 0.49532000 0.73775700 0.99857200 1.0 Si Si26 1 0.29513100 0.10969900 0.39046300 1.0 Si Si27 1 0.67908400 0.93707900 0.60740200 1.0