data_[K2Tl2Ge2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [5.2604]
_cell_length_b [5.2604]
_cell_length_c [15.9856]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [KTlGeCl4]
_chemical_formula_sum '[K2 Tl2 Ge2 Cl8]'
_cell_volume [442.3438]
_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
[
  K  K0  2  0.0000  0.0000  0.6384  1.0
  Tl  Tl1  2  0.0000  0.0000  0.3548  1.0
  Ge  Ge2  2  0.0000  0.0000  0.9980  1.0
  Cl  Cl3  4  0.0000  0.5000  0.0031  1.0
  Cl  Cl4  2  0.0000  0.0000  0.1681  1.0
  Cl  Cl5  2  0.0000  0.0000  0.8345  1.0
]