# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.91059200 _cell_length_b 6.98893222 _cell_length_c 13.00641576 _cell_angle_alpha 83.68749030 _cell_angle_beta 82.19333561 _cell_angle_gamma 69.44084596 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 497.27343875 _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 0.63154700 0.97134200 0.28833900 1.0 Mg Mg1 1 0.90426000 0.85575200 0.53020200 1.0 Mg Mg2 1 0.12464700 0.32832900 0.48711700 1.0 Mg Mg3 1 0.72900500 0.51200300 0.66592100 1.0 Mg Mg4 1 0.64967000 0.28728200 0.42260300 1.0 Mg Mg5 1 0.38029700 0.88196900 0.54042400 1.0 Mg Mg6 1 0.57084600 0.93702500 0.94276100 1.0 Mg Mg7 1 0.28861800 0.89913400 0.14736900 1.0 Mg Mg8 1 0.24287000 0.28186100 0.80968600 1.0 Mg Mg9 1 0.94015500 0.68892800 0.11209800 1.0 Si Si10 1 0.34872700 0.64651200 0.86226800 1.0 Si Si11 1 0.45291300 0.51779900 0.05068500 1.0 Si Si12 1 0.97905700 0.08946500 0.68364800 1.0 Si Si13 1 0.08232500 0.69558100 0.32643700 1.0 Si Si14 1 0.96959800 0.73596900 0.77814800 1.0 Si Si15 1 0.96274700 0.27715400 0.19882400 1.0 Si Si16 1 0.55997100 0.19019500 0.62506200 1.0 Si Si17 1 0.61747400 0.57580200 0.25367000 1.0 Si Si18 1 0.76483400 0.24001900 0.85426300 1.0 Si Si19 1 0.10824100 0.02686900 0.35324900 1.0 Si Si20 1 0.73056200 0.14205700 0.09291500 1.0 Si Si21 1 0.05175200 0.97021300 0.95425200 1.0 Si Si22 1 0.52713100 0.88577600 0.74203200 1.0 Si Si23 1 0.34844200 0.37979800 0.26453400 1.0 Si Si24 1 0.20821900 0.30347500 0.02861900 1.0 Si Si25 1 0.84019300 0.51221000 0.93670200 1.0 Si Si26 1 0.73392400 0.63110200 0.42100900 1.0 Si Si27 1 0.25157300 0.53653600 0.62740200 1.0