# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.95179000 _cell_length_b 7.08602260 _cell_length_c 12.60241938 _cell_angle_alpha 76.53564366 _cell_angle_beta 82.94999404 _cell_angle_gamma 62.96007212 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 537.64229463 _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 0.97905400 0.54495100 0.73817100 1.0 Mg Mg1 1 0.97724800 0.16780900 0.38545700 1.0 Mg Mg2 1 0.59433400 0.87494500 0.53397700 1.0 Mg Mg3 1 0.40687000 0.30083000 0.36790000 1.0 Mg Mg4 1 0.82826800 0.35920400 0.59136800 1.0 Mg Mg5 1 0.11120700 0.65938300 0.47385700 1.0 Mg Mg6 1 0.16671400 0.25543000 0.14740500 1.0 Mg Mg7 1 0.19605500 0.67114200 0.90399100 1.0 Mg Mg8 1 0.73784200 0.86848100 0.11187300 1.0 Mg Mg9 1 0.37856500 0.11751900 0.92516500 1.0 Si Si10 1 0.26885600 0.62551500 0.15340300 1.0 Si Si11 1 0.67043300 0.47609100 0.90033400 1.0 Si Si12 1 0.78720300 0.92000000 0.32192300 1.0 Si Si13 1 0.22548900 0.96263700 0.71097200 1.0 Si Si14 1 0.43072300 0.92323300 0.31089500 1.0 Si Si15 1 0.75205000 0.02387000 0.77583900 1.0 Si Si16 1 0.61382300 0.56910900 0.23201100 1.0 Si Si17 1 0.42138500 0.34387000 0.72665400 1.0 Si Si18 1 0.80149800 0.19646200 0.16973700 1.0 Si Si19 1 0.96800100 0.93541600 0.61065200 1.0 Si Si20 1 0.96332700 0.14242600 0.85897400 1.0 Si Si21 1 0.09145400 0.99028400 0.04643700 1.0 Si Si22 1 0.00296500 0.55791600 0.28223900 1.0 Si Si23 1 0.53090800 0.61520400 0.72269300 1.0 Si Si24 1 0.77792700 0.73301400 0.92683300 1.0 Si Si25 1 0.49320400 0.34281400 0.05119100 1.0 Si Si26 1 0.28718500 0.24783600 0.59272600 1.0 Si Si27 1 0.53722300 0.57491400 0.42711100 1.0