data_[Cs4Se2I12Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Se  2.5500  1.1500  1.0133
  I  2.6600  1.4000  1.2733
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [8.3187]
_cell_length_b [8.3187]
_cell_length_c [12.7827]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Cs2SeI6Cl]
_chemical_formula_sum '[Cs4 Se2 I12 Cl2]'
_cell_volume [884.5636]
_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  4  0.0000  0.5000  0.2500  1
  Se  Se1  2  0.0000  0.0000  0.0000  1
  I  I2  8  0.2442  0.2442  0.0000  1
  I  I3  4  0.0000  0.0000  0.2226  1
  Cl  Cl4  2  0.0000  0.0000  0.5000  1
]