# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.51581100 _cell_length_b 7.39764270 _cell_length_c 12.15760114 _cell_angle_alpha 89.94634688 _cell_angle_beta 98.24579484 _cell_angle_gamma 113.20447887 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 532.04629870 _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 0.59554700 0.97487800 0.68061300 1.0 Mg Mg1 1 0.71869200 0.01897000 0.42070800 1.0 Mg Mg2 1 0.19037300 0.64992700 0.53035000 1.0 Mg Mg3 1 0.73246100 0.43711700 0.34405700 1.0 Mg Mg4 1 0.76427800 0.68848900 0.57143200 1.0 Mg Mg5 1 0.34753200 0.23019300 0.48412300 1.0 Mg Mg6 1 0.69238100 0.13934400 0.13351100 1.0 Mg Mg7 1 0.48913200 0.17539500 0.87546800 1.0 Mg Mg8 1 0.96296500 0.52865200 0.02777800 1.0 Mg Mg9 1 0.03191000 0.26264900 0.85657200 1.0 Si Si10 1 0.23752900 0.24688900 0.16461600 1.0 Si Si11 1 0.40021400 0.61136400 0.92829200 1.0 Si Si12 1 0.99314000 0.84825700 0.36769700 1.0 Si Si13 1 0.13687800 0.26128900 0.64827800 1.0 Si Si14 1 0.10386800 0.45426400 0.25622600 1.0 Si Si15 1 0.00225600 0.80290400 0.83101300 1.0 Si Si16 1 0.36768700 0.76775100 0.19651200 1.0 Si Si17 1 0.75937200 0.46516400 0.76566900 1.0 Si Si18 1 0.73931700 0.76349900 0.19494500 1.0 Si Si19 1 0.16984200 0.95391000 0.67443600 1.0 Si Si20 1 0.72654800 0.90785700 0.89778800 1.0 Si Si21 1 0.97150200 0.95393600 0.06683400 1.0 Si Si22 1 0.34840700 0.04192100 0.29227100 1.0 Si Si23 1 0.43630800 0.55435800 0.73423400 1.0 Si Si24 1 0.28341400 0.87454600 0.00114700 1.0 Si Si25 1 0.54347200 0.45501700 0.07617700 1.0 Si Si26 1 0.81099500 0.33204800 0.58939700 1.0 Si Si27 1 0.44355200 0.59931200 0.38959900 1.0