data_[Tl2Ge2Cl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Amm2]
_cell_length_a [4.0342]
_cell_length_b [9.4409]
_cell_length_c [11.4849]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [TlGeCl3]
_chemical_formula_sum '[Tl2 Ge2 Cl6]'
_cell_volume [437.4206]
_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
[
  Tl  Tl0  2  0.5000  0.0000  0.0400  1
  Ge  Ge1  2  0.0000  0.0000  0.4455  1
  Cl  Cl2  4  0.5000  0.1909  0.4524  1
  Cl  Cl3  2  0.0000  0.0000  0.2377  1
]