data_[K4Cu4Ag8Br24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [C2/c]
_cell_length_a [16.6081]
_cell_length_b [11.9833]
_cell_length_c [8.7782]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.2643]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KCu(AgBr3)2]
_chemical_formula_sum '[K4 Cu4 Ag8 Br24]'
_cell_volume [1508.9249]
_cell_formula_units_Z [4]
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
[
  K  K0  4  0.0000  0.2605  0.2500  1.0
  Cu  Cu1  4  0.0000  0.1839  0.7500  1.0
  Ag  Ag2  8  0.2148  0.4218  0.1529  1.0
  Br  Br3  8  0.1040  0.1411  0.6485  1.0
  Br  Br4  8  0.1205  0.2231  0.0407  1.0
  Br  Br5  8  0.1865  0.4224  0.4239  1.0
]