# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.53180800 _cell_length_b 7.53499228 _cell_length_c 10.83213938 _cell_angle_alpha 106.24989529 _cell_angle_beta 88.32184895 _cell_angle_gamma 119.30480455 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 510.38585108 _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 0.63806600 0.81547000 0.72971600 1.0 Mg Mg1 1 0.71453300 0.40047400 0.40611100 1.0 Mg Mg2 1 0.53361300 0.46580500 0.59070300 1.0 Mg Mg3 1 0.22764700 0.31856500 0.33705800 1.0 Mg Mg4 1 0.02933000 0.16802200 0.58672700 1.0 Mg Mg5 1 0.96796800 0.84173000 0.44124400 1.0 Mg Mg6 1 0.55150200 0.61612900 0.10899400 1.0 Mg Mg7 1 0.23092100 0.49421100 0.86555700 1.0 Mg Mg8 1 0.34440800 0.90881800 0.07211700 1.0 Mg Mg9 1 0.75761900 0.18471600 0.90597900 1.0 Si Si10 1 0.85030700 0.07638100 0.19463500 1.0 Si Si11 1 0.91285600 0.64459700 0.91019100 1.0 Si Si12 1 0.23160600 0.68422100 0.35853500 1.0 Si Si13 1 0.91189500 0.42855100 0.65989000 1.0 Si Si14 1 0.56266100 0.72549900 0.32562700 1.0 Si Si15 1 0.34587100 0.19960900 0.81641700 1.0 Si Si16 1 0.63918300 0.23260700 0.20009900 1.0 Si Si17 1 0.37673000 0.93589400 0.76706100 1.0 Si Si18 1 0.95336500 0.56883900 0.19750400 1.0 Si Si19 1 0.25465500 0.63631300 0.58177600 1.0 Si Si20 1 0.99776600 0.02152800 0.86908700 1.0 Si Si21 1 0.98557100 0.93399900 0.09603600 1.0 Si Si22 1 0.29838600 0.06220600 0.24951000 1.0 Si Si23 1 0.00138400 0.75009200 0.70529200 1.0 Si Si24 1 0.57147800 0.40788500 0.95792700 1.0 Si Si25 1 0.10414800 0.46188500 0.07878600 1.0 Si Si26 1 0.37894400 0.03442200 0.53375900 1.0 Si Si27 1 0.62730800 0.98144500 0.45337400 1.0