# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.57171500 _cell_length_b 7.47570904 _cell_length_c 12.70617669 _cell_angle_alpha 85.19562643 _cell_angle_beta 79.73264651 _cell_angle_gamma 73.85863954 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 499.91237756 _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 0.49207600 0.01495600 0.28423700 1.0 Mg Mg1 1 0.75368000 0.91583800 0.55298000 1.0 Mg Mg2 1 0.00701400 0.49948300 0.45996800 1.0 Mg Mg3 1 0.65755300 0.60451900 0.69790400 1.0 Mg Mg4 1 0.56633500 0.31419500 0.45887200 1.0 Mg Mg5 1 0.20351400 0.05093000 0.50964700 1.0 Mg Mg6 1 0.00186100 0.90448100 0.74818200 1.0 Mg Mg7 1 0.53407400 0.73450400 0.10572900 1.0 Mg Mg8 1 0.08177900 0.17081200 0.90780200 1.0 Mg Mg9 1 0.12694500 0.49027800 0.05189300 1.0 Si Si10 1 0.31397100 0.73491600 0.90822700 1.0 Si Si11 1 0.64852200 0.30173700 0.10656000 1.0 Si Si12 1 0.20678500 0.29735200 0.65978300 1.0 Si Si13 1 0.02906300 0.74525400 0.24195800 1.0 Si Si14 1 0.13723400 0.52681100 0.82025700 1.0 Si Si15 1 0.97493800 0.28692700 0.23226300 1.0 Si Si16 1 0.79051400 0.24309800 0.64733100 1.0 Si Si17 1 0.68131900 0.58895700 0.29488900 1.0 Si Si18 1 0.56815800 0.30623700 0.83462800 1.0 Si Si19 1 0.95788100 0.01751500 0.34748100 1.0 Si Si20 1 0.02676500 0.89664600 0.06396500 1.0 Si Si21 1 0.65695400 0.00678600 0.92577100 1.0 Si Si22 1 0.46245300 0.95410400 0.77440100 1.0 Si Si23 1 0.33963900 0.44512200 0.26129000 1.0 Si Si24 1 0.34680000 0.11292500 0.08307600 1.0 Si Si25 1 0.71644200 0.49981200 0.93997500 1.0 Si Si26 1 0.51630800 0.70631500 0.47233800 1.0 Si Si27 1 0.20107200 0.62963500 0.60883200 1.0