# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.46090600 _cell_length_b 7.48789034 _cell_length_c 10.34289002 _cell_angle_alpha 102.75645009 _cell_angle_beta 89.92668852 _cell_angle_gamma 118.17699157 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 493.19595437 _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 0.56926200 0.02698200 0.23585200 1.0 Mg Mg1 1 0.56800500 0.99023800 0.52823300 1.0 Mg Mg2 1 0.61102800 0.40291900 0.50204100 1.0 Mg Mg3 1 0.36664300 0.58434900 0.66342200 1.0 Mg Mg4 1 0.97806800 0.21859700 0.41240100 1.0 Mg Mg5 1 0.08376900 0.70262100 0.53093600 1.0 Mg Mg6 1 0.54709600 0.85051700 0.95243200 1.0 Mg Mg7 1 0.94278300 0.80495400 0.11866200 1.0 Mg Mg8 1 0.67135500 0.50851700 0.81936000 1.0 Mg Mg9 1 0.49278200 0.55020800 0.12211000 1.0 Si Si10 1 0.12420800 0.72312900 0.84241900 1.0 Si Si11 1 0.74418800 0.35068000 0.02766900 1.0 Si Si12 1 0.20108800 0.14181700 0.62562100 1.0 Si Si13 1 0.74012500 0.77538800 0.37122400 1.0 Si Si14 1 0.82949700 0.85563000 0.62486900 1.0 Si Si15 1 0.26173300 0.21848900 0.23047500 1.0 Si Si16 1 0.75321800 0.12150400 0.79026100 1.0 Si Si17 1 0.17009400 0.65312700 0.25248500 1.0 Si Si18 1 0.23552400 0.29804000 0.87291000 1.0 Si Si19 1 0.25505300 0.00609100 0.37944300 1.0 Si Si20 1 0.94049800 0.18575300 0.12090200 1.0 Si Si21 1 0.94283000 0.95523300 0.88303900 1.0 Si Si22 1 0.37841700 0.00233500 0.75105200 1.0 Si Si23 1 0.81315000 0.46202900 0.27800600 1.0 Si Si24 1 0.36297700 0.12690200 0.00104400 1.0 Si Si25 1 0.12628000 0.52868500 0.00893600 1.0 Si Si26 1 0.37011100 0.56450100 0.38556400 1.0 Si Si27 1 0.91989000 0.39088600 0.66890000 1.0