data_[Tb8Cu4Ge4S20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  Ge  2.0100  1.2500  0.7700
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.8613]
_cell_length_b [17.4465]
_cell_length_c [10.9892]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb2CuGeS5]
_chemical_formula_sum '[Tb8 Cu4 Ge4 S20]'
_cell_volume [740.3070]
_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
[
  Tb  Tb0  4  0.0000  0.1087  0.6719  1
  Tb  Tb1  4  0.0000  0.1178  0.2920  1
  Cu  Cu2  4  0.0000  0.2536  0.1062  1
  Ge  Ge3  4  0.0000  0.4087  0.4679  1
  S  S4  4  0.0000  0.0370  0.0652  1
  S  S5  4  0.0000  0.3098  0.3105  1
  S  S6  4  0.0000  0.3116  0.6392  1
  S  S7  4  0.0000  0.3593  0.9862  1
  S  S8  4  0.0000  0.4942  0.2848  1
]