data_[Pr8Nd4Cu4S20]
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
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.9698]
_cell_length_b [17.3591]
_cell_length_c [11.7112]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pr2NdCuS5]
_chemical_formula_sum '[Pr8 Nd4 Cu4 S20]'
_cell_volume [807.0521]
_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  4  0.0000  0.1065  0.6850  1.0
  Pr  Pr1  4  0.0000  0.1175  0.3131  1.0
  Nd  Nd2  4  0.0000  0.1946  0.0105  1.0
  Cu  Cu3  4  0.0000  0.4433  0.4528  1.0
  S  S4  4  0.0000  0.0404  0.0562  1.0
  S  S5  4  0.0000  0.2918  0.6820  1.0
  S  S6  4  0.0000  0.3204  0.3442  1.0
  S  S7  4  0.0000  0.3587  0.0026  1.0
  S  S8  4  0.0000  0.4985  0.7776  1.0
]