# generated using pymatgen data_SrCu9Si4 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 8.18750941 _cell_length_b 8.18750941 _cell_length_c 8.18750941 _cell_angle_alpha 120.26079310 _cell_angle_beta 120.26079310 _cell_angle_gamma 89.54888353 _symmetry_Int_Tables_number 1 _chemical_formula_structural SrCu9Si4 _chemical_formula_sum 'Sr2 Cu18 Si8' _cell_volume 386.55431585 _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 Sr Sr0 1 0.25000000 0.25000000 0.00000000 1.0 Sr Sr1 1 0.75000000 0.75000000 0.00000000 1.0 Cu Cu2 1 0.93569000 0.20345300 0.13914300 1.0 Cu Cu3 1 0.20345300 0.06431000 0.26776300 1.0 Cu Cu4 1 0.79654700 0.93569000 0.73223700 1.0 Cu Cu5 1 0.43569000 0.29654700 0.73223700 1.0 Cu Cu6 1 0.06431000 0.79654700 0.86085700 1.0 Cu Cu7 1 0.80677800 0.05887100 0.50000000 1.0 Cu Cu8 1 0.55887100 0.30677800 0.50000000 1.0 Cu Cu9 1 0.19322200 0.94112900 0.50000000 1.0 Cu Cu10 1 0.44112900 0.69322200 0.50000000 1.0 Cu Cu11 1 0.94112900 0.44112900 0.74790600 1.0 Cu Cu12 1 0.69322200 0.19322200 0.25209400 1.0 Cu Cu13 1 0.05887100 0.55887100 0.25209400 1.0 Cu Cu14 1 0.70345300 0.43569000 0.13914300 1.0 Cu Cu15 1 0.56431000 0.70345300 0.26776300 1.0 Cu Cu16 1 0.50000000 0.00000000 0.50000000 1.0 Cu Cu17 1 0.00000000 0.50000000 0.50000000 1.0 Cu Cu18 1 0.30677800 0.80677800 0.74790600 1.0 Cu Cu19 1 0.29654700 0.56431000 0.86085700 1.0 Si Si20 1 0.79187800 0.29187800 0.85157100 1.0 Si Si21 1 0.55969300 0.05969300 0.85157100 1.0 Si Si22 1 0.05969300 0.20812200 0.50000000 1.0 Si Si23 1 0.29187800 0.44030700 0.50000000 1.0 Si Si24 1 0.94030700 0.79187800 0.50000000 1.0 Si Si25 1 0.44030700 0.94030700 0.14842900 1.0 Si Si26 1 0.20812200 0.70812200 0.14842900 1.0 Si Si27 1 0.70812200 0.55969300 0.50000000 1.0