data_[Cs2K2Sn2Br8]
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
  Sn  1.9600  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [5.8657]
_cell_length_b [5.8657]
_cell_length_c [17.6314]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [CsKSnBr4]
_chemical_formula_sum '[Cs2 K2 Sn2 Br8]'
_cell_volume [606.6378]
_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  0.6401  1.0
  K  K1  2  0.0000  0.0000  0.3616  1.0
  Sn  Sn2  2  0.0000  0.0000  0.0004  1.0
  Br  Br3  4  0.0000  0.5000  0.4922  1.0
  Br  Br4  2  0.0000  0.0000  0.1756  1.0
  Br  Br5  2  0.0000  0.0000  0.8379  1.0
]