data_[Ce4Y4Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Y  1.2200  1.8000  1.0400
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.8681]
_cell_length_b [21.5288]
_cell_length_c [4.1073]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [CeYCu2]
_chemical_formula_sum '[Ce4 Y4 Cu8]'
_cell_volume [342.0339]
_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
[
  Ce  Ce0  4  0.0000  0.0449  0.7500  1
  Y  Y1  4  0.0000  0.3064  0.2500  1
  Cu  Cu2  4  0.0000  0.1565  0.2500  1
  Cu  Cu3  4  0.0000  0.4199  0.7500  1
]