data_[Gd2Y2Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Y  1.2200  1.8000  1.0400
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.3568]
_cell_length_b [6.9826]
_cell_length_c [7.4013]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [GdYCu4]
_chemical_formula_sum '[Gd2 Y2 Cu8]'
_cell_volume [225.1579]
_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
[
  Gd  Gd0  2  0.0000  0.0000  0.4613  1.0
  Y  Y1  2  0.0000  0.5000  0.5384  1.0
  Cu  Cu2  4  0.0000  0.1992  0.8350  1.0
  Cu  Cu3  4  0.0000  0.3006  0.1653  1.0
]