data_[Cu2Ag6Cl8]
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 [Pmn2_1]
_cell_length_a [8.3260]
_cell_length_b [7.2407]
_cell_length_c [6.7997]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [CuAg3Cl4]
_chemical_formula_sum '[Cu2 Ag6 Cl8]'
_cell_volume [409.9263]
_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  2  0.0000  0.1675  0.0100  1
  Ag  Ag1  4  0.2497  0.6697  0.9983  1
  Ag  Ag2  2  0.0000  0.8416  0.5049  1
  Cl  Cl3  4  0.2315  0.3228  0.1123  1
  Cl  Cl4  2  0.0000  0.1729  0.6621  1
  Cl  Cl5  2  0.0000  0.8631  0.1170  1
]