# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.41702400 _cell_length_b 7.45840249 _cell_length_c 13.07139752 _cell_angle_alpha 79.96930950 _cell_angle_beta 79.45699122 _cell_angle_gamma 70.01786877 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 484.36750942 _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 0.74935300 0.93357100 0.28720900 1.0 Mg Mg1 1 0.88265700 0.83131600 0.51078600 1.0 Mg Mg2 1 0.93868200 0.40714700 0.45431500 1.0 Mg Mg3 1 0.71902500 0.50185700 0.68982300 1.0 Mg Mg4 1 0.52591600 0.26791400 0.39925700 1.0 Mg Mg5 1 0.25484500 0.03392000 0.59118400 1.0 Mg Mg6 1 0.61736000 0.89297600 0.94124300 1.0 Mg Mg7 1 0.31105600 0.90488100 0.16505200 1.0 Mg Mg8 1 0.29351200 0.24359500 0.78669600 1.0 Mg Mg9 1 0.98963900 0.66588300 0.10192300 1.0 Si Si10 1 0.33389800 0.67298300 0.88094700 1.0 Si Si11 1 0.58152100 0.53008100 0.05919000 1.0 Si Si12 1 0.89590600 0.08424700 0.77723000 1.0 Si Si13 1 0.17016500 0.61028600 0.29688300 1.0 Si Si14 1 0.11704100 0.71575900 0.72173600 1.0 Si Si15 1 0.84999200 0.29482900 0.20484600 1.0 Si Si16 1 0.67855700 0.18928900 0.60162200 1.0 Si Si17 1 0.61956500 0.60828800 0.29831600 1.0 Si Si18 1 0.64882300 0.32634500 0.90697300 1.0 Si Si19 1 0.18415900 0.04840400 0.36024200 1.0 Si Si20 1 0.69917900 0.10439100 0.09105200 1.0 Si Si21 1 0.06679900 0.99700600 0.95083200 1.0 Si Si22 1 0.63723400 0.87526600 0.73256200 1.0 Si Si23 1 0.29832800 0.31463800 0.20749000 1.0 Si Si24 1 0.25257200 0.22885900 0.00856700 1.0 Si Si25 1 0.96502800 0.52505900 0.91248000 1.0 Si Si26 1 0.45041000 0.72128400 0.47349600 1.0 Si Si27 1 0.26837600 0.47008500 0.58828700 1.0