# generated using pymatgen data_Mg9Si5 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.20011300 _cell_length_b 7.21199352 _cell_length_c 12.42722115 _cell_angle_alpha 82.10309012 _cell_angle_beta 86.20001117 _cell_angle_gamma 61.54174654 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg9Si5 _chemical_formula_sum 'Mg18 Si10' _cell_volume 561.95368815 _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 0.24389400 0.66787900 0.60674600 1.0 Mg Mg1 1 0.66161800 0.41924900 0.43539800 1.0 Mg Mg2 1 0.01163300 0.39084100 0.58752600 1.0 Mg Mg3 1 0.89244100 0.84700200 0.42862300 1.0 Mg Mg4 1 0.51430400 0.12594400 0.58466800 1.0 Mg Mg5 1 0.20421300 0.06976500 0.42148700 1.0 Mg Mg6 1 0.60321700 0.34566400 0.07607400 1.0 Mg Mg7 1 0.24587900 0.56924200 0.90749900 1.0 Mg Mg8 1 0.98291300 0.90894100 0.06927800 1.0 Mg Mg9 1 0.19320400 0.19109000 0.07915600 1.0 Mg Mg10 1 0.84197900 0.59343100 0.01447200 1.0 Mg Mg11 1 0.58334500 0.07374500 0.91222200 1.0 Mg Mg12 1 0.29851600 0.73289800 0.25064700 1.0 Mg Mg13 1 0.63343000 0.37681900 0.72671600 1.0 Mg Mg14 1 0.97272700 0.51368000 0.25810100 1.0 Mg Mg15 1 0.85204200 0.63462500 0.77454800 1.0 Mg Mg16 1 0.51176800 0.19880700 0.28741800 1.0 Mg Mg17 1 0.34296300 0.92089200 0.78399900 1.0 Si Si18 1 0.91916200 0.15479700 0.25024100 1.0 Si Si19 1 0.91921900 0.07012600 0.58538400 1.0 Si Si20 1 0.95357900 0.95679900 0.78723900 1.0 Si Si21 1 0.41853700 0.78341000 0.01930400 1.0 Si Si22 1 0.58860900 0.80320900 0.33625300 1.0 Si Si23 1 0.27879100 0.32840900 0.75280100 1.0 Si Si24 1 0.60401900 0.90642500 0.13953300 1.0 Si Si25 1 0.87809700 0.24113400 0.90339800 1.0 Si Si26 1 0.59904100 0.72080100 0.59700700 1.0 Si Si27 1 0.25085800 0.45432600 0.42398100 1.0