data_[Pr6Si8Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.4177]
_cell_length_b [7.0960]
_cell_length_c [14.6332]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pr3(SiAg)4]
_chemical_formula_sum '[Pr6 Si8 Ag8]'
_cell_volume [458.7239]
_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  4  0.0000  0.0000  0.1282  1
  Pr  Pr1  2  0.0000  0.5000  0.0000  1
  Si  Si2  4  0.0000  0.3271  0.5000  1
  Si  Si3  4  0.0000  0.5000  0.2157  1
  Ag  Ag4  8  0.0000  0.1953  0.3326  1
]