data_[Cs2Cu2Ag2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4726]
_cell_length_b [7.6407]
_cell_length_c [9.9785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3444]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsCuAgBr4]
_chemical_formula_sum '[Cs2 Cu2 Ag2 Br8]'
_cell_volume [468.4115]
_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
[
  Cs  Cs0  2  0.3220  0.2500  0.1055  1
  Cu  Cu1  2  0.1660  0.7500  0.3046  1
  Ag  Ag2  2  0.1077  0.2500  0.5089  1
  Br  Br3  4  0.0776  0.5019  0.7072  1
  Br  Br4  2  0.2669  0.7500  0.0908  1
  Br  Br5  2  0.4829  0.7500  0.5068  1
]