# generated using pymatgen data_Mg5Si9 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.89276800 _cell_length_b 7.21678108 _cell_length_c 12.65883614 _cell_angle_alpha 82.86097643 _cell_angle_beta 75.57361739 _cell_angle_gamma 62.69051509 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg5Si9 _chemical_formula_sum 'Mg10 Si18' _cell_volume 541.83234762 _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 0.49931900 0.01428000 0.73064200 1.0 Mg Mg1 1 0.15090200 0.02651600 0.36839200 1.0 Mg Mg2 1 0.49797600 0.36055600 0.55332600 1.0 Mg Mg3 1 0.64762200 0.60281800 0.38057600 1.0 Mg Mg4 1 0.01593400 0.37303300 0.54499400 1.0 Mg Mg5 1 0.75953100 0.90811700 0.47341000 1.0 Mg Mg6 1 0.45932600 0.86793600 0.11598300 1.0 Mg Mg7 1 0.84998400 0.77526000 0.89584900 1.0 Mg Mg8 1 0.63967700 0.20048100 0.10945700 1.0 Mg Mg9 1 0.48298200 0.56695700 0.95147400 1.0 Si Si10 1 0.91512700 0.69337200 0.16863600 1.0 Si Si11 1 0.14344000 0.31918000 0.90486000 1.0 Si Si12 1 0.71967700 0.21165800 0.31130000 1.0 Si Si13 1 0.18820000 0.78432200 0.70237600 1.0 Si Si14 1 0.42119900 0.53729000 0.24772800 1.0 Si Si15 1 0.77021500 0.22610200 0.78809600 1.0 Si Si16 1 0.13182200 0.42700200 0.29134700 1.0 Si Si17 1 0.74853200 0.57228600 0.75000700 1.0 Si Si18 1 0.03002800 0.17053800 0.15805700 1.0 Si Si19 1 0.90772300 0.05427700 0.61358200 1.0 Si Si20 1 0.09384600 0.02035100 0.86046400 1.0 Si Si21 1 0.09599900 0.88335100 0.04631500 1.0 Si Si22 1 0.58710200 0.96489100 0.28436400 1.0 Si Si23 1 0.14330400 0.46662600 0.72697100 1.0 Si Si24 1 0.50526100 0.17220600 0.93659000 1.0 Si Si25 1 0.84343900 0.48804000 0.05664200 1.0 Si Si26 1 0.56359100 0.68933400 0.59986000 1.0 Si Si27 1 0.18830200 0.62344700 0.42852600 1.0