# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.49542300 _cell_length_b 7.09086112 _cell_length_c 13.59035324 _cell_angle_alpha 96.84696798 _cell_angle_beta 100.55794890 _cell_angle_gamma 107.85854129 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 486.74364434 _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 0.53933700 0.46474500 0.67706100 1.0 Mg Mg1 1 0.73147800 0.91749800 0.38090100 1.0 Mg Mg2 1 0.60236500 0.15037400 0.54257500 1.0 Mg Mg3 1 0.17726300 0.77139100 0.40738400 1.0 Mg Mg4 1 0.08886200 0.67894900 0.61983100 1.0 Mg Mg5 1 0.16829900 0.36230700 0.45801800 1.0 Mg Mg6 1 0.61232400 0.58035500 0.03465900 1.0 Mg Mg7 1 0.11067400 0.22482800 0.90094600 1.0 Mg Mg8 1 0.32867100 0.80970400 0.17565400 1.0 Mg Mg9 1 0.58398500 0.04012400 0.97802800 1.0 Si Si10 1 0.01940800 0.37273400 0.10945900 1.0 Si Si11 1 0.67607800 0.37160500 0.86017900 1.0 Si Si12 1 0.34008200 0.13019800 0.32112300 1.0 Si Si13 1 0.64019800 0.87748300 0.74019500 1.0 Si Si14 1 0.75764300 0.24008000 0.26081300 1.0 Si Si15 1 0.33617300 0.06763100 0.74989800 1.0 Si Si16 1 0.75100900 0.61245300 0.24064800 1.0 Si Si17 1 0.36803800 0.62114300 0.83733200 1.0 Si Si18 1 0.90512100 0.96137800 0.19365300 1.0 Si Si19 1 0.10440900 0.09520600 0.58599100 1.0 Si Si20 1 0.04374300 0.82160300 0.82291700 1.0 Si Si21 1 0.03128100 0.92553700 0.01231200 1.0 Si Si22 1 0.31651300 0.49626200 0.28666300 1.0 Si Si23 1 0.98912300 0.34017700 0.71746200 1.0 Si Si24 1 0.38577100 0.23814700 0.11560100 1.0 Si Si25 1 0.09509800 0.60043000 0.97926000 1.0 Si Si26 1 0.58616800 0.74726600 0.55488000 1.0 Si Si27 1 0.71085100 0.48029400 0.43638700 1.0