data_[Sr4Si2Ge4Au8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [6.5382]
_cell_length_b [6.5382]
_cell_length_c [9.7963]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Sr2Si(GeAu2)2]
_chemical_formula_sum '[Sr4 Si2 Ge4 Au8]'
_cell_volume [418.7778]
_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  4  0.0000  0.5000  0.2500  1
  Si  Si1  2  0.0000  0.0000  0.0000  1
  Ge  Ge2  4  0.0000  0.0000  0.3347  1
  Au  Au3  8  0.2375  0.2375  0.5000  1
]