# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 13.58444241 _cell_length_b 6.86101533 _cell_length_c 6.05335021 _cell_angle_alpha 73.17335354 _cell_angle_beta 101.60463132 _cell_angle_gamma 104.76773999 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 517.22796248 _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 0.69032400 0.21799300 0.41048200 1.0 Mg Mg1 1 0.40646300 0.59586600 0.76295100 1.0 Mg Mg2 1 0.53813400 0.36773700 0.62239200 1.0 Mg Mg3 1 0.40065000 0.66767900 0.23880000 1.0 Mg Mg4 1 0.60628000 0.96587700 0.96053400 1.0 Mg Mg5 1 0.45213400 0.13607800 0.20445500 1.0 Mg Mg6 1 0.12442600 0.46434700 0.54104000 1.0 Mg Mg7 1 0.92613100 0.64559200 0.17269300 1.0 Mg Mg8 1 0.08587100 0.98331900 0.49392800 1.0 Mg Mg9 1 0.75928800 0.74280900 0.40189100 1.0 Si Si10 1 0.13448000 0.81781700 0.14991700 1.0 Si Si11 1 0.88563600 0.43107100 0.59733700 1.0 Si Si12 1 0.33040500 0.24553200 0.44418500 1.0 Si Si13 1 0.68570800 0.66728300 0.84317000 1.0 Si Si14 1 0.25503700 0.13693000 0.80334200 1.0 Si Si15 1 0.82192000 0.93175400 0.94845100 1.0 Si Si16 1 0.21222800 0.73169600 0.84759000 1.0 Si Si17 1 0.82850000 0.17320800 0.17668900 1.0 Si Si18 1 0.24388700 0.36955800 0.03155300 1.0 Si Si19 1 0.57509700 0.51628400 0.13712600 1.0 Si Si20 1 0.92425100 0.09247400 0.64188600 1.0 Si Si21 1 0.07628700 0.13638900 0.96981600 1.0 Si Si22 1 0.28333300 0.86411700 0.44959300 1.0 Si Si23 1 0.74360300 0.36490400 0.81480500 1.0 Si Si24 1 0.02111600 0.61391200 0.83510700 1.0 Si Si25 1 0.01086600 0.31334400 0.17491500 1.0 Si Si26 1 0.57410200 0.82251800 0.50469700 1.0 Si Si27 1 0.40365300 0.98396600 0.82053800 1.0