data_[Pr8Cu20Si12]
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
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [9.7684]
_cell_length_b [11.7708]
_cell_length_c [5.8927]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Pr2Cu5Si3]
_chemical_formula_sum '[Pr8 Cu20 Si12]'
_cell_volume [677.5548]
_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  0.2459  0.1249  0.0000  1
  Cu  Cu1  8  0.0000  0.2596  0.2500  1
  Cu  Cu2  8  0.1248  0.1213  0.5000  1
  Si  Si3  8  0.1333  0.3744  0.0000  1
  Si  Si4  4  0.0000  0.0000  0.2500  1
  Cu  Cu5  4  0.0000  0.5000  0.2500  1
]