# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.74798100 _cell_length_b 7.18423171 _cell_length_c 12.34813095 _cell_angle_alpha 87.71478912 _cell_angle_beta 100.13013069 _cell_angle_gamma 114.94724394 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 533.91561216 _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 0.47763700 0.99085800 0.27670300 1.0 Mg Mg1 1 0.23837800 0.05442800 0.56741800 1.0 Mg Mg2 1 0.51524800 0.69547400 0.47133000 1.0 Mg Mg3 1 0.64136400 0.42832200 0.66594300 1.0 Mg Mg4 1 0.96087800 0.63078200 0.47263300 1.0 Mg Mg5 1 0.77717500 0.15701600 0.51875500 1.0 Mg Mg6 1 0.46636600 0.11952900 0.87955500 1.0 Mg Mg7 1 0.83079200 0.20260500 0.10763600 1.0 Mg Mg8 1 0.61299900 0.71802300 0.86622400 1.0 Mg Mg9 1 0.45530700 0.40919700 0.05664400 1.0 Si Si10 1 0.93024100 0.24199200 0.84362000 1.0 Si Si11 1 0.14462100 0.65730600 0.09936200 1.0 Si Si12 1 0.86164300 0.84319500 0.66895700 1.0 Si Si13 1 0.17143800 0.22090500 0.30001000 1.0 Si Si14 1 0.25702200 0.38041100 0.75704800 1.0 Si Si15 1 0.74041200 0.75970000 0.20581300 1.0 Si Si16 1 0.23864500 0.71006700 0.70039700 1.0 Si Si17 1 0.73159000 0.42412000 0.25368000 1.0 Si Si18 1 0.04619300 0.78360900 0.84241900 1.0 Si Si19 1 0.88372000 0.95156200 0.37855100 1.0 Si Si20 1 0.08322600 0.95749500 0.14775800 1.0 Si Si21 1 0.09826300 0.06481400 0.96500200 1.0 Si Si22 1 0.61146200 0.00893300 0.70557000 1.0 Si Si23 1 0.13286500 0.53803000 0.28178500 1.0 Si Si24 1 0.50029600 0.81039800 0.05191400 1.0 Si Si25 1 0.85770000 0.48599400 0.94385300 1.0 Si Si26 1 0.53387500 0.33811400 0.40843100 1.0 Si Si27 1 0.20070500 0.41689100 0.56316800 1.0