data_[Cs2K2Ag4Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I222]
_cell_length_a [8.0327]
_cell_length_b [8.4863]
_cell_length_c [9.0262]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [23]
_chemical_formula_structural [CsK(AgBr2)2]
_chemical_formula_sum '[Cs2 K2 Ag4 Br8]'
_cell_volume [615.2886]
_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  0.0000  0.0000  0.0000  1
  K  K1  2  0.0000  0.0000  0.5000  1
  Ag  Ag2  4  0.0000  0.5000  0.1751  1
  Br  Br3  8  0.2323  0.3039  0.7982  1
]