data_[Cs2Sr2Tl2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [5.9767]
_cell_length_b [5.9767]
_cell_length_c [17.6668]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [CsSrTlBr4]
_chemical_formula_sum '[Cs2 Sr2 Tl2 Br8]'
_cell_volume [631.0813]
_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  0.6374  1.0
  Sr  Sr1  2  0.0000  0.0000  0.0004  1.0
  Tl  Tl2  2  0.0000  0.0000  0.3511  1.0
  Br  Br3  4  0.0000  0.5000  0.0011  1.0
  Br  Br4  2  0.0000  0.0000  0.1764  1.0
  Br  Br5  2  0.0000  0.0000  0.8325  1.0
]