data_[Rb2Tl2Cl6]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [7.4134]
_cell_length_b [5.6353]
_cell_length_c [8.0182]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [RbTlCl3]
_chemical_formula_sum '[Rb2 Tl2 Cl6]'
_cell_volume [334.9720]
_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  0.2500  0.5000  0.1858  1.0
  Tl  Tl1  2  0.2500  0.0000  0.7381  1.0
  Cl  Cl2  2  0.0000  0.0000  0.0000  1.0
  Cl  Cl3  2  0.2500  0.0000  0.4074  1.0
  Cl  Cl4  2  0.2500  0.5000  0.7538  1.0
]