# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.05335100 _cell_length_b 6.86101553 _cell_length_c 13.56817621 _cell_angle_alpha 104.50489579 _cell_angle_beta 93.15392587 _cell_angle_gamma 106.82664569 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 517.22800525 _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 0.41048200 0.78200700 0.69032400 1.0 Mg Mg1 1 0.76295100 0.40413400 0.40646300 1.0 Mg Mg2 1 0.62239200 0.63226300 0.53813400 1.0 Mg Mg3 1 0.23880000 0.33232100 0.40065000 1.0 Mg Mg4 1 0.96053400 0.03412300 0.60628000 1.0 Mg Mg5 1 0.20445500 0.86392200 0.45213400 1.0 Mg Mg6 1 0.54104000 0.53565300 0.12442600 1.0 Mg Mg7 1 0.17269300 0.35440800 0.92613100 1.0 Mg Mg8 1 0.49392800 0.01668100 0.08587100 1.0 Mg Mg9 1 0.40189100 0.25719100 0.75928800 1.0 Si Si10 1 0.14991700 0.18218300 0.13448000 1.0 Si Si11 1 0.59733700 0.56892900 0.88563600 1.0 Si Si12 1 0.44418500 0.75446800 0.33040500 1.0 Si Si13 1 0.84317000 0.33271700 0.68570800 1.0 Si Si14 1 0.80334200 0.86307000 0.25503700 1.0 Si Si15 1 0.94845100 0.06824600 0.82192000 1.0 Si Si16 1 0.84759000 0.26830400 0.21222800 1.0 Si Si17 1 0.17668900 0.82679200 0.82850000 1.0 Si Si18 1 0.03155300 0.63044200 0.24388700 1.0 Si Si19 1 0.13712600 0.48371600 0.57509700 1.0 Si Si20 1 0.64188600 0.90752600 0.92425100 1.0 Si Si21 1 0.96981600 0.86361100 0.07628700 1.0 Si Si22 1 0.44959300 0.13588300 0.28333300 1.0 Si Si23 1 0.81480500 0.63509600 0.74360300 1.0 Si Si24 1 0.83510700 0.38608800 0.02111600 1.0 Si Si25 1 0.17491500 0.68665600 0.01086600 1.0 Si Si26 1 0.50469700 0.17748200 0.57410200 1.0 Si Si27 1 0.82053800 0.01603400 0.40365300 1.0