data_[Ag2Au8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [6.5933]
_cell_length_b [6.5933]
_cell_length_c [4.1568]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [AgAu4]
_chemical_formula_sum '[Ag2 Au8]'
_cell_volume [180.6999]
_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
[
  Ag  Ag0  2  0.0000  0.0000  0.0000  1.0
  Au  Au1  8  0.0997  0.2999  0.5000  1.0
]