data_[U8Cd8Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Cd  1.6900  1.5500  1.0900
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [5.4188]
_cell_length_b [7.6774]
_cell_length_c [11.8534]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [UCdCu]
_chemical_formula_sum '[U8 Cd8 Cu8]'
_cell_volume [493.1252]
_cell_formula_units_Z [8]
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
[
  U  U0  8  0.0000  0.1695  0.0000  1
  Cd  Cd1  8  0.2500  0.2500  0.2500  1
  Cu  Cu2  8  0.0000  0.0000  0.3918  1
]