data_[Rb4Tl4Sn2Cl12]
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
  Sn  1.9600  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.2558]
_cell_length_b [13.4031]
_cell_length_c [7.7469]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8801]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Tl2SnCl6]
_chemical_formula_sum '[Rb4 Tl4 Sn2 Cl12]'
_cell_volume [806.1410]
_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  4  0.0000  0.3425  0.5000  1.0
  Tl  Tl1  4  0.0000  0.1769  0.0000  1.0
  Sn  Sn2  2  0.0000  0.0000  0.5000  1.0
  Cl  Cl3  8  0.2186  0.1541  0.7254  1.0
  Cl  Cl4  4  0.2011  0.0000  0.2606  1.0
]