data_[Sr6Sn4Au18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.7430]
_cell_length_b [9.9221]
_cell_length_c [14.1441]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sr3Sn2Au9]
_chemical_formula_sum '[Sr6 Sn4 Au18]'
_cell_volume [665.6262]
_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  0.0000  0.2860  1
  Sr  Sr1  2  0.0000  0.0000  0.0000  1
  Sn  Sn2  4  0.0000  0.1825  0.5000  1
  Au  Au3  8  0.0000  0.2907  0.1400  1
  Au  Au4  8  0.0000  0.3616  0.3431  1
  Au  Au5  2  0.0000  0.5000  0.0000  1
]