data_[Pr2Cu12Ni12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Cu  1.9000  1.3500  0.8200
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.7842]
_cell_length_b [8.3633]
_cell_length_c [8.3719]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pr(CuNi)6]
_chemical_formula_sum '[Pr2 Cu12 Ni12]'
_cell_volume [334.9735]
_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
  Cu  Cu1  4  0.0000  0.0000  0.3526  1.0
  Cu  Cu2  4  0.0000  0.2754  0.5000  1.0
  Cu  Cu3  4  0.0000  0.3559  0.0000  1.0
  Ni  Ni4  8  0.2500  0.2500  0.2500  1.0
  Ni  Ni5  4  0.0000  0.5000  0.2719  1.0
]