data_[Pr12Nd20Ag8]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [11.8116]
_cell_length_b [16.5991]
_cell_length_c [6.7936]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Pr3Nd5Ag2]
_chemical_formula_sum '[Pr12 Nd20 Ag8]'
_cell_volume [1331.9720]
_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  0.2182  0.1688  0.0000  1
  Pr  Pr1  4  0.0000  0.0000  0.2500  1
  Nd  Nd2  8  0.0000  0.3054  0.2500  1
  Nd  Nd3  8  0.2306  0.4368  0.0000  1
  Nd  Nd4  4  0.0000  0.5000  0.2500  1
  Ag  Ag5  8  0.0619  0.1617  0.5000  1
]