# generated using pymatgen data_Mg9Si5 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 12.83029954 _cell_length_b 12.83029954 _cell_length_c 12.83029977 _cell_angle_alpha 32.54141106 _cell_angle_beta 32.54141106 _cell_angle_gamma 32.54140910 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg9Si5 _chemical_formula_sum 'Mg18 Si10' _cell_volume 543.44489731 _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 0.34858900 0.88793600 0.67474500 1.0 Mg Mg1 1 0.99561700 0.25000000 0.50438300 1.0 Mg Mg2 1 0.88793600 0.67474500 0.34858900 1.0 Mg Mg3 1 0.25000000 0.50438300 0.99561700 1.0 Mg Mg4 1 0.67474500 0.34858900 0.88793600 1.0 Mg Mg5 1 0.50438300 0.99561700 0.25000000 1.0 Mg Mg6 1 0.84858900 0.17474500 0.38793600 1.0 Mg Mg7 1 0.49561700 0.00438300 0.75000000 1.0 Mg Mg8 1 0.17474500 0.38793600 0.84858900 1.0 Mg Mg9 1 0.00438300 0.75000000 0.49561700 1.0 Mg Mg10 1 0.38793600 0.84858900 0.17474500 1.0 Mg Mg11 1 0.75000000 0.49561700 0.00438300 1.0 Mg Mg12 1 0.61206400 0.15141100 0.82525500 1.0 Mg Mg13 1 0.65141100 0.11206400 0.32525500 1.0 Mg Mg14 1 0.15141100 0.82525500 0.61206400 1.0 Mg Mg15 1 0.11206400 0.32525500 0.65141100 1.0 Mg Mg16 1 0.82525500 0.61206400 0.15141100 1.0 Mg Mg17 1 0.32525500 0.65141100 0.11206400 1.0 Si Si18 1 0.07868300 0.07868300 0.07868300 1.0 Si Si19 1 0.19334500 0.19334500 0.19334500 1.0 Si Si20 1 0.92131700 0.92131700 0.92131700 1.0 Si Si21 1 0.00000000 0.00000000 0.00000000 1.0 Si Si22 1 0.80665500 0.80665500 0.80665500 1.0 Si Si23 1 0.30665500 0.30665500 0.30665500 1.0 Si Si24 1 0.42131700 0.42131700 0.42131700 1.0 Si Si25 1 0.69334500 0.69334500 0.69334500 1.0 Si Si26 1 0.57868300 0.57868300 0.57868300 1.0 Si Si27 1 0.50000000 0.50000000 0.50000000 1.0