data_[Pr2Cd16Ni8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Cd  1.6900  1.5500  1.0900
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [9.3901]
_cell_length_b [9.3901]
_cell_length_c [5.4180]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Pr(Cd2Ni)4]
_chemical_formula_sum '[Pr2 Cd16 Ni8]'
_cell_volume [477.7339]
_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
[
  Pr  Pr0  2  0.0000  0.0000  0.0000  1.0
  Cd  Cd1  8  0.0000  0.2210  0.5000  1.0
  Cd  Cd2  8  0.0000  0.3378  0.0000  1.0
  Ni  Ni3  8  0.2500  0.2500  0.2500  1.0
]