# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.60679900 _cell_length_b 7.66863244 _cell_length_c 10.03851002 _cell_angle_alpha 72.88439338 _cell_angle_beta 80.29411301 _cell_angle_gamma 60.48002470 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 486.80271238 _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 0.51403000 0.96702800 0.71473600 1.0 Mg Mg1 1 0.16412800 0.88523200 0.35660300 1.0 Mg Mg2 1 0.37682100 0.41074100 0.53291600 1.0 Mg Mg3 1 0.72254800 0.49918500 0.39192400 1.0 Mg Mg4 1 0.12486900 0.18609900 0.53784900 1.0 Mg Mg5 1 0.88031000 0.68895900 0.55573900 1.0 Mg Mg6 1 0.36374900 0.97332500 0.05792600 1.0 Mg Mg7 1 0.78429000 0.95012800 0.91369600 1.0 Mg Mg8 1 0.87461800 0.21517900 0.06244900 1.0 Mg Mg9 1 0.46453300 0.60510400 0.91915700 1.0 Si Si10 1 0.77096600 0.84463900 0.21767200 1.0 Si Si11 1 0.11837900 0.53765600 0.97502700 1.0 Si Si12 1 0.72288100 0.11934500 0.36112600 1.0 Si Si13 1 0.12751000 0.79350600 0.69586700 1.0 Si Si14 1 0.44715900 0.51832200 0.22912300 1.0 Si Si15 1 0.71777000 0.36348800 0.72163500 1.0 Si Si16 1 0.48911700 0.23204300 0.12272300 1.0 Si Si17 1 0.83126700 0.59282800 0.85215700 1.0 Si Si18 1 0.12594800 0.29693800 0.19840800 1.0 Si Si19 1 0.80576400 0.09802700 0.59439300 1.0 Si Si20 1 0.12609000 0.99913200 0.84863200 1.0 Si Si21 1 0.11137200 0.77905600 0.09792800 1.0 Si Si22 1 0.49093600 0.97479100 0.39987900 1.0 Si Si23 1 0.13033600 0.32547400 0.76094200 1.0 Si Si24 1 0.42927200 0.29684100 0.85275100 1.0 Si Si25 1 0.72099300 0.61239800 0.10489000 1.0 Si Si26 1 0.46824100 0.70339400 0.59201100 1.0 Si Si27 1 0.09620800 0.53126700 0.33161400 1.0