data_[Tb4Ga4Cu16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [7.1077]
_cell_length_b [7.1077]
_cell_length_c [7.1077]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [TbGaCu4]
_chemical_formula_sum '[Tb4 Ga4 Cu16]'
_cell_volume [359.0818]
_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  0.0000  0.5000  1.0
  Ga  Ga1  4  0.2500  0.2500  0.2500  1.0
  Cu  Cu2  16  0.1243  0.1243  0.8757  1.0
]