data_[Rb2Tl2Cd2I8]
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
  Cd  1.6900  1.5500  1.0900
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.3944]
_cell_length_b [8.3590]
_cell_length_c [9.8107]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.8469]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTlCdI4]
_chemical_formula_sum '[Rb2 Tl2 Cd2 I8]'
_cell_volume [655.2821]
_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  0.2266  0.7500  0.5597  1.0
  Tl  Tl1  2  0.2396  0.7500  0.0581  1.0
  Cd  Cd2  2  0.2388  0.2500  0.2962  1.0
  I  I3  4  0.0026  0.5061  0.2306  1.0
  I  I4  2  0.4149  0.2500  0.5899  1.0
  I  I5  2  0.4281  0.2500  0.1066  1.0
]