# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 13.67232531 _cell_length_b 6.91854913 _cell_length_c 5.73037954 _cell_angle_alpha 71.94729184 _cell_angle_beta 101.10402002 _cell_angle_gamma 105.26733499 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 493.52567893 _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 0.67433700 0.23905100 0.42650800 1.0 Mg Mg1 1 0.38310000 0.55559400 0.75915600 1.0 Mg Mg2 1 0.54635300 0.41563200 0.64878500 1.0 Mg Mg3 1 0.40744800 0.67862800 0.22377600 1.0 Mg Mg4 1 0.61949300 0.99326600 0.04167000 1.0 Mg Mg5 1 0.44485100 0.15379400 0.16515200 1.0 Mg Mg6 1 0.14201900 0.47315500 0.49655900 1.0 Mg Mg7 1 0.92183800 0.61301900 0.18893400 1.0 Mg Mg8 1 0.11211800 0.00041200 0.44405200 1.0 Mg Mg9 1 0.75617800 0.70133600 0.41031300 1.0 Si Si10 1 0.12151200 0.81623900 0.07219900 1.0 Si Si11 1 0.86232000 0.34550500 0.65736300 1.0 Si Si12 1 0.33008000 0.25643200 0.47733000 1.0 Si Si13 1 0.69037400 0.72568600 0.84471100 1.0 Si Si14 1 0.24983000 0.15041700 0.86624300 1.0 Si Si15 1 0.83959300 0.98555100 0.94997600 1.0 Si Si16 1 0.24498700 0.76784600 0.80367800 1.0 Si Si17 1 0.83847200 0.14485300 0.30187400 1.0 Si Si18 1 0.22388700 0.40015700 0.07368200 1.0 Si Si19 1 0.56877700 0.53709900 0.14074200 1.0 Si Si20 1 0.93068600 0.90106800 0.65911300 1.0 Si Si21 1 0.06083900 0.13486300 0.87221500 1.0 Si Si22 1 0.27696100 0.87607100 0.35936500 1.0 Si Si23 1 0.74205800 0.39162400 0.89405400 1.0 Si Si24 1 0.02114000 0.59891700 0.77555800 1.0 Si Si25 1 0.00999400 0.29519500 0.15063300 1.0 Si Si26 1 0.54755700 0.86380500 0.55105700 1.0 Si Si27 1 0.43300400 0.98483200 0.74518100 1.0