# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.46453300 _cell_length_b 7.61840281 _cell_length_c 9.86926661 _cell_angle_alpha 93.69372827 _cell_angle_beta 100.92798735 _cell_angle_gamma 113.30822179 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 500.00656871 _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 0.50104300 0.94927400 0.56962500 1.0 Mg Mg1 1 0.90225200 0.09324700 0.42702100 1.0 Mg Mg2 1 0.16539700 0.55084000 0.55768300 1.0 Mg Mg3 1 0.77731000 0.39997300 0.33270800 1.0 Mg Mg4 1 0.75334800 0.69976600 0.57399100 1.0 Mg Mg5 1 0.38782000 0.28729600 0.49478600 1.0 Mg Mg6 1 0.71126100 0.03266400 0.09102800 1.0 Mg Mg7 1 0.58736100 0.24753400 0.84417700 1.0 Mg Mg8 1 0.88364200 0.60471000 0.07393200 1.0 Mg Mg9 1 0.06144700 0.32588200 0.96844300 1.0 Si Si10 1 0.14472900 0.00584600 0.22871400 1.0 Si Si11 1 0.47720300 0.57918400 0.03063200 1.0 Si Si12 1 0.04404300 0.79585600 0.40443700 1.0 Si Si13 1 0.23732900 0.31544900 0.73447100 1.0 Si Si14 1 0.12421700 0.32872500 0.25597500 1.0 Si Si15 1 0.89083500 0.07889700 0.69886500 1.0 Si Si16 1 0.28845800 0.75424600 0.10436700 1.0 Si Si17 1 0.99880300 0.60890400 0.80677400 1.0 Si Si18 1 0.70150800 0.72969000 0.26722100 1.0 Si Si19 1 0.16820900 0.97110700 0.65839900 1.0 Si Si20 1 0.36825600 0.81687900 0.80718200 1.0 Si Si21 1 0.88915000 0.91190200 0.89651500 1.0 Si Si22 1 0.49073100 0.01168500 0.29780000 1.0 Si Si23 1 0.58345000 0.62283500 0.81815000 1.0 Si Si24 1 0.24101700 0.99355800 0.95695200 1.0 Si Si25 1 0.43092700 0.28164800 0.12650800 1.0 Si Si26 1 0.78447600 0.35007500 0.61414600 1.0 Si Si27 1 0.40534900 0.65222500 0.35923900 1.0