# generated using pymatgen data_Mg9Si5 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.04674700 _cell_length_b 7.87920368 _cell_length_c 14.12021403 _cell_angle_alpha 83.67996149 _cell_angle_beta 80.27247181 _cell_angle_gamma 80.75378260 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg9Si5 _chemical_formula_sum 'Mg18 Si10' _cell_volume 544.22940597 _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 0.87271600 0.91034900 0.31966500 1.0 Mg Mg1 1 0.47474600 0.92345100 0.50080100 1.0 Mg Mg2 1 0.43558300 0.70535000 0.32252100 1.0 Mg Mg3 1 0.96708600 0.15372000 0.46199800 1.0 Mg Mg4 1 0.96482200 0.50855000 0.37520100 1.0 Mg Mg5 1 0.43975100 0.50283500 0.52887600 1.0 Mg Mg6 1 0.45449900 0.90386200 0.79703000 1.0 Mg Mg7 1 0.07807800 0.47518600 0.99010200 1.0 Mg Mg8 1 0.80322100 0.13817500 0.85731600 1.0 Mg Mg9 1 0.23744000 0.08985500 0.98522900 1.0 Mg Mg10 1 0.65472600 0.50607900 0.83814200 1.0 Mg Mg11 1 0.50320000 0.69548800 0.01110500 1.0 Mg Mg12 1 0.17094500 0.61885900 0.73640800 1.0 Mg Mg13 1 0.92374500 0.24410900 0.19285300 1.0 Mg Mg14 1 0.90950000 0.35198200 0.64606000 1.0 Mg Mg15 1 0.71203000 0.96444300 0.09867800 1.0 Mg Mg16 1 0.98125800 0.97026000 0.66129900 1.0 Mg Mg17 1 0.38869100 0.43882300 0.19185300 1.0 Si Si18 1 0.29402700 0.27054800 0.79444200 1.0 Si Si19 1 0.45676500 0.17999500 0.62719700 1.0 Si Si20 1 0.00471200 0.76899200 0.49936200 1.0 Si Si21 1 0.90300100 0.63195500 0.17906900 1.0 Si Si22 1 0.97285800 0.79915000 0.90190800 1.0 Si Si23 1 0.36020900 0.07364600 0.28372500 1.0 Si Si24 1 0.61385600 0.31009100 0.02330700 1.0 Si Si25 1 0.20634500 0.86923500 0.15524800 1.0 Si Si26 1 0.52192400 0.30853500 0.36960900 1.0 Si Si27 1 0.69411600 0.68604900 0.65131800 1.0