data_[Cu2Ag2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.1983]
_cell_length_b [6.6070]
_cell_length_c [12.3336]
_cell_angle_alpha [98.7363]
_cell_angle_beta [95.1618]
_cell_angle_gamma [100.3127]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [CuAgCl4]
_chemical_formula_sum '[Cu2 Ag2 Cl8]'
_cell_volume [330.2600]
_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
[
  Cu  Cu0  1  0.0000  0.0000  0.0000  1.0
  Cu  Cu1  1  0.5000  0.5000  0.5000  1.0
  Ag  Ag2  2  0.3731  0.7597  0.7580  1.0
  Cl  Cl3  2  0.0278  0.3159  0.1079  1.0
  Cl  Cl4  2  0.1995  0.4093  0.6318  1.0
  Cl  Cl5  2  0.3161  0.1806  0.4049  1.0
  Cl  Cl6  2  0.3418  0.9047  0.1249  1.0
]