data_[Rb2Tl2Ge2Cl8]
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
  Ge  2.0100  1.2500  0.7700
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [5.2634]
_cell_length_b [5.2634]
_cell_length_c [16.3440]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [RbTlGeCl4]
_chemical_formula_sum '[Rb2 Tl2 Ge2 Cl8]'
_cell_volume [452.7846]
_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  0.0000  0.0000  0.6405  1
  Tl  Tl1  2  0.0000  0.0000  0.3547  1
  Ge  Ge2  2  0.0000  0.0000  0.9962  1
  Cl  Cl3  4  0.0000  0.5000  0.4985  1
  Cl  Cl4  2  0.0000  0.0000  0.1707  1
  Cl  Cl5  2  0.0000  0.0000  0.8409  1
]