# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.50241500 _cell_length_b 7.24743946 _cell_length_c 13.27934385 _cell_angle_alpha 96.54917168 _cell_angle_beta 95.41297731 _cell_angle_gamma 109.82997782 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 489.86821373 _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 0.46675100 0.46872800 0.70114600 1.0 Mg Mg1 1 0.77219100 0.91726100 0.39801300 1.0 Mg Mg2 1 0.55608100 0.14843900 0.53888000 1.0 Mg Mg3 1 0.17925700 0.74260400 0.39444300 1.0 Mg Mg4 1 0.02976300 0.68288100 0.60853400 1.0 Mg Mg5 1 0.10994800 0.34021500 0.46091700 1.0 Mg Mg6 1 0.66447600 0.62715900 0.02484100 1.0 Mg Mg7 1 0.17249100 0.24508100 0.88579300 1.0 Mg Mg8 1 0.35954200 0.80977100 0.18210200 1.0 Mg Mg9 1 0.61580100 0.02399300 0.96709300 1.0 Si Si10 1 0.07727200 0.31740400 0.10080900 1.0 Si Si11 1 0.72008000 0.35811500 0.87029000 1.0 Si Si12 1 0.30824000 0.10688700 0.32918400 1.0 Si Si13 1 0.73248900 0.92709200 0.69929000 1.0 Si Si14 1 0.73449000 0.20635900 0.26892800 1.0 Si Si15 1 0.39402000 0.02983700 0.75597100 1.0 Si Si16 1 0.75529100 0.61310900 0.24156200 1.0 Si Si17 1 0.23857200 0.70165100 0.81937900 1.0 Si Si18 1 0.92606700 0.96747600 0.19271200 1.0 Si Si19 1 0.09449000 0.10356500 0.62017800 1.0 Si Si20 1 0.84457200 0.77941200 0.84574200 1.0 Si Si21 1 0.11605500 0.98758000 0.02960600 1.0 Si Si22 1 0.30283600 0.45923800 0.27997000 1.0 Si Si23 1 0.92034000 0.36298900 0.71344200 1.0 Si Si24 1 0.55666700 0.29497300 0.11521200 1.0 Si Si25 1 0.15141600 0.60043300 0.99006500 1.0 Si Si26 1 0.51385900 0.69190200 0.54151300 1.0 Si Si27 1 0.68690700 0.48574600 0.42421300 1.0