data_[Cu4Ag4Cl14]
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 [C2/m]
_cell_length_a [7.3474]
_cell_length_b [11.9672]
_cell_length_c [6.4519]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.2303]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cu2Ag2Cl7]
_chemical_formula_sum '[Cu4 Ag4 Cl14]'
_cell_volume [566.8732]
_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  4  0.2162  0.5000  0.6252  1.0
  Ag  Ag1  4  0.0000  0.3100  0.0000  1.0
  Cl  Cl2  8  0.2364  0.1754  0.2279  1.0
  Cl  Cl3  4  0.0840  0.5000  0.2720  1.0
  Cl  Cl4  2  0.0000  0.0000  0.5000  1.0
]