data_[Tm20Tl4Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Tl  1.6200  1.9000  1.3325
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.7416]
_cell_length_b [7.7416]
_cell_length_c [13.5170]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Tm5TlGe2]
_chemical_formula_sum '[Tm20 Tl4 Ge8]'
_cell_volume [810.1025]
_cell_formula_units_Z [4]
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
[
  Tm  Tm0  16  0.1581  0.3419  0.6416  1
  Tm  Tm1  4  0.0000  0.0000  0.0000  1
  Tl  Tl2  4  0.0000  0.0000  0.2500  1
  Ge  Ge3  8  0.1450  0.3550  0.0000  1
]