# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.39044400 _cell_length_b 7.46654444 _cell_length_c 10.44213991 _cell_angle_alpha 99.75297242 _cell_angle_beta 85.49049383 _cell_angle_gamma 119.53321448 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 494.08806819 _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 0.50155700 0.48331200 0.72535100 1.0 Mg Mg1 1 0.79130500 0.94764000 0.35411200 1.0 Mg Mg2 1 0.58935400 0.18248500 0.52083700 1.0 Mg Mg3 1 0.27515700 0.75323400 0.39110500 1.0 Mg Mg4 1 0.89203300 0.66504200 0.57211300 1.0 Mg Mg5 1 0.10383100 0.36723400 0.51349600 1.0 Mg Mg6 1 0.57696100 0.58635600 0.11000100 1.0 Mg Mg7 1 0.13325900 0.32470800 0.91486100 1.0 Mg Mg8 1 0.23887000 0.04546800 0.07428000 1.0 Mg Mg9 1 0.53068200 0.88589700 0.91070900 1.0 Si Si10 1 0.15554100 0.33550300 0.22627200 1.0 Si Si11 1 0.96589700 0.60547300 0.97199500 1.0 Si Si12 1 0.23951300 0.11778400 0.34834100 1.0 Si Si13 1 0.84839600 0.05543800 0.68564200 1.0 Si Si14 1 0.52421800 0.04384400 0.23726200 1.0 Si Si15 1 0.23210600 0.95940900 0.78032700 1.0 Si Si16 1 0.72912600 0.28996900 0.08396800 1.0 Si Si17 1 0.22764700 0.63227800 0.73314400 1.0 Si Si18 1 0.96897200 0.71752100 0.23531300 1.0 Si Si19 1 0.17696900 0.07798400 0.59277200 1.0 Si Si20 1 0.88809300 0.85294300 0.87135700 1.0 Si Si21 1 0.85561600 0.04363500 0.08740100 1.0 Si Si22 1 0.54451000 0.51944700 0.39100400 1.0 Si Si23 1 0.83025900 0.38041400 0.74946000 1.0 Si Si24 1 0.52114700 0.25459800 0.89724900 1.0 Si Si25 1 0.25933200 0.68592600 0.11263400 1.0 Si Si26 1 0.53016200 0.77924700 0.57199800 1.0 Si Si27 1 0.86938300 0.40698100 0.33676300 1.0