# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.74109500 _cell_length_b 7.18256424 _cell_length_c 12.62822846 _cell_angle_alpha 89.38309200 _cell_angle_beta 95.51091193 _cell_angle_gamma 116.66179338 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 543.53937732 _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 0.60490500 0.99743100 0.70826900 1.0 Mg Mg1 1 0.74549100 0.04303800 0.41226700 1.0 Mg Mg2 1 0.20176400 0.66933400 0.53306800 1.0 Mg Mg3 1 0.74497400 0.44813900 0.34476800 1.0 Mg Mg4 1 0.77212300 0.70269300 0.57364600 1.0 Mg Mg5 1 0.34147400 0.21259300 0.49005100 1.0 Mg Mg6 1 0.54443300 0.07742500 0.08750100 1.0 Mg Mg7 1 0.35348400 0.17190500 0.86573400 1.0 Mg Mg8 1 0.98955600 0.49455100 0.10294900 1.0 Mg Mg9 1 0.01133800 0.34960500 0.86845700 1.0 Si Si10 1 0.26802500 0.25110900 0.16896500 1.0 Si Si11 1 0.48193400 0.62269900 0.91700500 1.0 Si Si12 1 0.00372400 0.86824400 0.35295300 1.0 Si Si13 1 0.11793500 0.26512300 0.65219800 1.0 Si Si14 1 0.12925400 0.39794000 0.29905000 1.0 Si Si15 1 0.00779600 0.74841400 0.80817200 1.0 Si Si16 1 0.40272700 0.74417000 0.23820200 1.0 Si Si17 1 0.69757000 0.41784700 0.73936900 1.0 Si Si18 1 0.75548800 0.79580900 0.18654500 1.0 Si Si19 1 0.17408300 0.95831400 0.66304000 1.0 Si Si20 1 0.82766900 0.92269400 0.88606700 1.0 Si Si21 1 0.92944800 0.06724900 0.06175800 1.0 Si Si22 1 0.36925000 0.04483900 0.29374200 1.0 Si Si23 1 0.43828000 0.56394600 0.72335400 1.0 Si Si24 1 0.23932800 0.75644900 0.96364900 1.0 Si Si25 1 0.57236700 0.47329900 0.07389400 1.0 Si Si26 1 0.81120100 0.32556000 0.57575400 1.0 Si Si27 1 0.46393000 0.60946000 0.40930300 1.0