# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.42737400 _cell_length_b 7.40475564 _cell_length_c 12.70316087 _cell_angle_alpha 90.51706098 _cell_angle_beta 98.61051235 _cell_angle_gamma 105.91469109 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 484.74450082 _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 0.19112100 0.00144000 0.73318100 1.0 Mg Mg1 1 0.82818900 0.93923700 0.43820400 1.0 Mg Mg2 1 0.57314100 0.56843100 0.52695300 1.0 Mg Mg3 1 0.53336600 0.60502400 0.27869000 1.0 Mg Mg4 1 0.97018300 0.31715300 0.55200400 1.0 Mg Mg5 1 0.38595300 0.14384600 0.52085900 1.0 Mg Mg6 1 0.22600900 0.92604400 0.28405400 1.0 Mg Mg7 1 0.37814400 0.72645600 0.88672700 1.0 Mg Mg8 1 0.05053000 0.18672200 0.10213300 1.0 Mg Mg9 1 0.82166100 0.49154900 0.94326200 1.0 Si Si10 1 0.78347100 0.76183000 0.09123700 1.0 Si Si11 1 0.21078000 0.28920200 0.88630300 1.0 Si Si12 1 0.12266500 0.27425600 0.34600600 1.0 Si Si13 1 0.72182200 0.71342800 0.75943400 1.0 Si Si14 1 0.00950300 0.54144800 0.16987300 1.0 Si Si15 1 0.75621000 0.22864500 0.76668700 1.0 Si Si16 1 0.63182200 0.28042700 0.35107800 1.0 Si Si17 1 0.03831500 0.56723100 0.71209000 1.0 Si Si18 1 0.59318200 0.27283200 0.13424400 1.0 Si Si19 1 0.66272800 0.95012000 0.63913200 1.0 Si Si20 1 0.92751600 0.93699800 0.92584100 1.0 Si Si21 1 0.31172100 0.91349700 0.07062100 1.0 Si Si22 1 0.70906100 0.99150200 0.22123200 1.0 Si Si23 1 0.40678500 0.39587700 0.72176000 1.0 Si Si24 1 0.56062900 0.11045200 0.93520500 1.0 Si Si25 1 0.34922700 0.52397500 0.05995300 1.0 Si Si26 1 0.18959200 0.75403200 0.56136800 1.0 Si Si27 1 0.05678800 0.58848700 0.38163000 1.0