data_[Pr2Nd4Cu4Si8Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Cu  1.9000  1.3500  0.8200
  Si  1.9000  1.1000  0.5400
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.1328]
_cell_length_b [4.1565]
_cell_length_c [23.5544]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [PrNd2Cu2(Si2Ni)2]
_chemical_formula_sum '[Pr2 Nd4 Cu4 Si8 Ni4]'
_cell_volume [404.6140]
_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
  Nd  Nd1  4  0.0000  0.5000  0.3486  1
  Si  Si2  4  0.0000  0.0000  0.4488  1
  Cu  Cu3  4  0.0000  0.5000  0.0994  1
  Si  Si4  4  0.0000  0.5000  0.2017  1
  Ni  Ni5  4  0.0000  0.0000  0.2488  1
]