# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.73038000 _cell_length_b 6.91854866 _cell_length_c 13.60080741 _cell_angle_alpha 104.12149985 _cell_angle_beta 92.06112498 _cell_angle_gamma 108.05271437 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 493.52569804 _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 0.42650800 0.76094900 0.67433700 1.0 Mg Mg1 1 0.75915600 0.44440600 0.38310000 1.0 Mg Mg2 1 0.64878500 0.58436800 0.54635300 1.0 Mg Mg3 1 0.22377600 0.32137200 0.40744800 1.0 Mg Mg4 1 0.04167000 0.00673400 0.61949300 1.0 Mg Mg5 1 0.16515200 0.84620600 0.44485100 1.0 Mg Mg6 1 0.49655900 0.52684500 0.14201900 1.0 Mg Mg7 1 0.18893400 0.38698100 0.92183800 1.0 Mg Mg8 1 0.44405200 0.99958800 0.11211800 1.0 Mg Mg9 1 0.41031300 0.29866400 0.75617800 1.0 Si Si10 1 0.07219900 0.18376100 0.12151200 1.0 Si Si11 1 0.65736300 0.65449500 0.86232000 1.0 Si Si12 1 0.47733000 0.74356800 0.33008000 1.0 Si Si13 1 0.84471100 0.27431400 0.69037400 1.0 Si Si14 1 0.86624300 0.84958300 0.24983000 1.0 Si Si15 1 0.94997600 0.01444900 0.83959300 1.0 Si Si16 1 0.80367800 0.23215400 0.24498700 1.0 Si Si17 1 0.30187400 0.85514700 0.83847200 1.0 Si Si18 1 0.07368200 0.59984300 0.22388700 1.0 Si Si19 1 0.14074200 0.46290100 0.56877700 1.0 Si Si20 1 0.65911300 0.09893200 0.93068600 1.0 Si Si21 1 0.87221500 0.86513700 0.06083900 1.0 Si Si22 1 0.35936500 0.12392900 0.27696100 1.0 Si Si23 1 0.89405400 0.60837600 0.74205800 1.0 Si Si24 1 0.77555800 0.40108300 0.02114000 1.0 Si Si25 1 0.15063300 0.70480500 0.00999400 1.0 Si Si26 1 0.55105700 0.13619500 0.54755700 1.0 Si Si27 1 0.74518100 0.01516800 0.43300400 1.0