data_[Ce2Pr2Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pr  1.1300  1.8500  1.0600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.6715]
_cell_length_b [4.5707]
_cell_length_c [7.4334]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.6175]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CePrCu2]
_chemical_formula_sum '[Ce2 Pr2 Cu4]'
_cell_volume [192.6819]
_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
[
  Ce  Ce0  2  0.3726  0.2500  0.3197  1
  Pr  Pr1  2  0.1276  0.2500  0.8211  1
  Cu  Cu2  2  0.1174  0.7500  0.5340  1
  Cu  Cu3  2  0.3791  0.7500  0.0325  1
]