# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.39515000 _cell_length_b 7.35703155 _cell_length_c 12.78879496 _cell_angle_alpha 92.12387899 _cell_angle_beta 95.64674376 _cell_angle_gamma 104.64090880 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 487.73837640 _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 0.12053800 0.04869900 0.71737500 1.0 Mg Mg1 1 0.78830900 0.93654100 0.44431300 1.0 Mg Mg2 1 0.50199800 0.55457800 0.50014700 1.0 Mg Mg3 1 0.53627000 0.61246500 0.26924800 1.0 Mg Mg4 1 0.93331400 0.33017000 0.54739500 1.0 Mg Mg5 1 0.34690000 0.10543200 0.51029500 1.0 Mg Mg6 1 0.24094100 0.93778700 0.27417500 1.0 Mg Mg7 1 0.39487100 0.76388900 0.84881700 1.0 Mg Mg8 1 0.09942900 0.21742000 0.10180500 1.0 Mg Mg9 1 0.84151200 0.51289500 0.93837200 1.0 Si Si10 1 0.80992000 0.76930300 0.09777500 1.0 Si Si11 1 0.30074500 0.33013300 0.91355100 1.0 Si Si12 1 0.09067500 0.29298300 0.34219300 1.0 Si Si13 1 0.79949000 0.68851000 0.74379000 1.0 Si Si14 1 0.01991300 0.55260900 0.19176900 1.0 Si Si15 1 0.67515400 0.15720400 0.76329200 1.0 Si Si16 1 0.60355600 0.28462400 0.35691100 1.0 Si Si17 1 0.08591500 0.42586800 0.75540300 1.0 Si Si18 1 0.62815500 0.27075600 0.15551200 1.0 Si Si19 1 0.54655100 0.87244600 0.64434300 1.0 Si Si20 1 0.97925000 0.96483100 0.91069300 1.0 Si Si21 1 0.30230800 0.91074300 0.04250600 1.0 Si Si22 1 0.75317900 0.00251300 0.22926900 1.0 Si Si23 1 0.47798000 0.38597100 0.68680200 1.0 Si Si24 1 0.64391900 0.12178200 0.95598900 1.0 Si Si25 1 0.35458300 0.58967200 0.05102200 1.0 Si Si26 1 0.08974600 0.71712100 0.60475600 1.0 Si Si27 1 0.03499000 0.64319700 0.40224400 1.0