# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.67617700 _cell_length_b 6.92669587 _cell_length_c 13.64273727 _cell_angle_alpha 75.46170054 _cell_angle_beta 76.36828291 _cell_angle_gamma 66.22095010 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 552.37200859 _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 0.26227700 0.43436000 0.30214100 1.0 Mg Mg1 1 0.75896100 0.73166500 0.55286000 1.0 Mg Mg2 1 0.99900700 0.13629500 0.47655400 1.0 Mg Mg3 1 0.16842000 0.69967000 0.63427300 1.0 Mg Mg4 1 0.58482500 0.60425600 0.40152900 1.0 Mg Mg5 1 0.31678900 0.28416500 0.53816600 1.0 Mg Mg6 1 0.38524900 0.74616500 0.93981800 1.0 Mg Mg7 1 0.57553600 0.30295000 0.07384100 1.0 Mg Mg8 1 0.71537000 0.01322800 0.87072200 1.0 Mg Mg9 1 0.19402700 0.12076400 0.10781700 1.0 Si Si10 1 0.01457400 0.38199400 0.91751900 1.0 Si Si11 1 0.06780900 0.54833100 0.11806800 1.0 Si Si12 1 0.06482900 0.10199300 0.69182500 1.0 Si Si13 1 0.91105500 0.99084800 0.31299100 1.0 Si Si14 1 0.73586000 0.03147800 0.65777400 1.0 Si Si15 1 0.50955500 0.94720200 0.22201200 1.0 Si Si16 1 0.55191000 0.53684300 0.75178100 1.0 Si Si17 1 0.58644000 0.58187800 0.19175600 1.0 Si Si18 1 0.42824400 0.91671100 0.73774700 1.0 Si Si19 1 0.53318500 0.01758000 0.38540200 1.0 Si Si20 1 0.89194000 0.89729000 0.15950500 1.0 Si Si21 1 0.99666600 0.03569200 0.98244300 1.0 Si Si22 1 0.94079800 0.43840800 0.74675800 1.0 Si Si23 1 0.90580200 0.35150200 0.27736000 1.0 Si Si24 1 0.38366500 0.37428800 0.90750800 1.0 Si Si25 1 0.77322500 0.65177800 0.01546800 1.0 Si Si26 1 0.14480700 0.72191400 0.42879200 1.0 Si Si27 1 0.59911400 0.40054000 0.59776200 1.0