data_[Pr16Co4Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Co  1.8800  1.3500  0.7683
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [I4_1md]
_cell_length_a [9.4013]
_cell_length_b [9.4013]
_cell_length_c [8.6319]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [109]
_chemical_formula_structural [Pr4CoCu]
_chemical_formula_sum '[Pr16 Co4 Cu4]'
_cell_volume [762.9290]
_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
[
  Pr  Pr0  8  0.0000  0.3018  0.2661  1
  Pr  Pr1  8  0.0000  0.3063  0.7342  1
  Co  Co2  4  0.0000  0.0000  0.2508  1
  Cu  Cu3  4  0.0000  0.0000  0.7485  1
]