data_[Rb2Tl2Zn2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Zn  1.6500  1.3500  0.8800
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6093]
_cell_length_b [7.5205]
_cell_length_c [9.6077]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.7637]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTlZnBr4]
_chemical_formula_sum '[Rb2 Tl2 Zn2 Br8]'
_cell_volume [523.5939]
_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
[
  Rb  Rb0  2  0.2184  0.7500  0.5469  1.0
  Tl  Tl1  2  0.2651  0.7500  0.0612  1.0
  Zn  Zn2  2  0.2164  0.2500  0.2861  1.0
  Br  Br3  4  0.0011  0.5024  0.2222  1.0
  Br  Br4  2  0.3678  0.2500  0.5485  1.0
  Br  Br5  2  0.4200  0.2500  0.1347  1.0
]