data_[Cs6Sn4Br6Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Sn  1.9600  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.6322]
_cell_length_b [5.9013]
_cell_length_c [29.2363]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Cs3Sn2Br3Cl4]
_chemical_formula_sum '[Cs6 Sn4 Br6 Cl8]'
_cell_volume [971.7283]
_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  0.0000  0.3163  1
  Cs  Cs1  2  0.0000  0.0000  0.5000  1
  Sn  Sn2  4  0.0000  0.0000  0.1044  1
  Br  Br3  4  0.0000  0.5000  0.0991  1
  Br  Br4  2  0.0000  0.0000  0.0000  1
  Cl  Cl5  4  0.0000  0.0000  0.1983  1
  Cl  Cl6  4  0.0000  0.5000  0.3944  1
]