# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.36633700 _cell_length_b 7.30334785 _cell_length_c 11.64326866 _cell_angle_alpha 87.08484083 _cell_angle_beta 103.54358179 _cell_angle_gamma 110.43279826 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 492.90860811 _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 0.89177500 0.00089400 0.29750700 1.0 Mg Mg1 1 0.19261900 0.88241900 0.53033200 1.0 Mg Mg2 1 0.97097300 0.28017700 0.50393200 1.0 Mg Mg3 1 0.88084600 0.56775500 0.65529300 1.0 Mg Mg4 1 0.45360000 0.31939900 0.45785600 1.0 Mg Mg5 1 0.62930400 0.80699900 0.51066000 1.0 Mg Mg6 1 0.53311500 0.90989500 0.83303200 1.0 Mg Mg7 1 0.39792500 0.90151900 0.08266400 1.0 Mg Mg8 1 0.23798500 0.19036600 0.91573400 1.0 Mg Mg9 1 0.57065600 0.56012000 0.06841200 1.0 Si Si10 1 0.95948600 0.79203200 0.89701800 1.0 Si Si11 1 0.07884700 0.50446200 0.06098200 1.0 Si Si12 1 0.66105600 0.12498100 0.64411300 1.0 Si Si13 1 0.02089500 0.69879400 0.21025300 1.0 Si Si14 1 0.58970400 0.49665300 0.83559300 1.0 Si Si15 1 0.63465000 0.27442900 0.24792100 1.0 Si Si16 1 0.32824500 0.21698500 0.68472600 1.0 Si Si17 1 0.47442200 0.66647200 0.27888200 1.0 Si Si18 1 0.84596900 0.30503100 0.82864100 1.0 Si Si19 1 0.38032200 0.95706900 0.31965600 1.0 Si Si20 1 0.21620500 0.23690000 0.15342300 1.0 Si Si21 1 0.87345000 0.95304500 0.06037800 1.0 Si Si22 1 0.97555000 0.96526900 0.70627700 1.0 Si Si23 1 0.11541200 0.40669500 0.29788400 1.0 Si Si24 1 0.71280800 0.23214600 0.01237300 1.0 Si Si25 1 0.20211000 0.58645100 0.87504200 1.0 Si Si26 1 0.82021500 0.59938600 0.38163800 1.0 Si Si27 1 0.35197600 0.56388800 0.64995600 1.0