# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.87163500 _cell_length_b 7.63458878 _cell_length_c 10.50040788 _cell_angle_alpha 94.37325409 _cell_angle_beta 89.69073881 _cell_angle_gamma 113.03746368 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 505.28554907 _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 0.54524400 0.58120500 0.73757800 1.0 Mg Mg1 1 0.68399300 0.70104900 0.43288300 1.0 Mg Mg2 1 0.56058900 0.21227700 0.56043600 1.0 Mg Mg3 1 0.24572500 0.74083700 0.34818600 1.0 Mg Mg4 1 0.99036200 0.62093100 0.64215200 1.0 Mg Mg5 1 0.20808600 0.39087100 0.49493100 1.0 Mg Mg6 1 0.57953400 0.75063100 0.09165900 1.0 Mg Mg7 1 0.39787800 0.31343800 0.96502700 1.0 Mg Mg8 1 0.19821400 0.88543400 0.07828000 1.0 Mg Mg9 1 0.52238100 0.96495200 0.86222400 1.0 Si Si10 1 0.13314600 0.45583800 0.11687400 1.0 Si Si11 1 0.85162000 0.58889700 0.93713500 1.0 Si Si12 1 0.30144800 0.13310200 0.32638000 1.0 Si Si13 1 0.78249600 0.95392000 0.65238200 1.0 Si Si14 1 0.65991600 0.09254600 0.31933900 1.0 Si Si15 1 0.21759900 0.05334400 0.75069500 1.0 Si Si16 1 0.80938900 0.52491200 0.17923500 1.0 Si Si17 1 0.13120200 0.33644700 0.74942900 1.0 Si Si18 1 0.93349600 0.94336600 0.25872500 1.0 Si Si19 1 0.10300100 0.97605200 0.52351200 1.0 Si Si20 1 0.89886600 0.89213400 0.86237600 1.0 Si Si21 1 0.93068400 0.10154200 0.05565500 1.0 Si Si22 1 0.41495500 0.45569600 0.25087900 1.0 Si Si23 1 0.77637000 0.31760600 0.78928300 1.0 Si Si24 1 0.61914100 0.16750300 0.10708300 1.0 Si Si25 1 0.23161200 0.59754100 0.91634500 1.0 Si Si26 1 0.41424700 0.81732600 0.59465300 1.0 Si Si27 1 0.85874800 0.43046300 0.39649500 1.0