data_[Pr8Y4Si8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Y  1.2200  1.8000  1.0400
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.5866]
_cell_length_b [4.4003]
_cell_length_c [10.8467]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.0059]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2YSi2]
_chemical_formula_sum '[Pr8 Y4 Si8]'
_cell_volume [535.2366]
_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  0.0149  0.5000  0.6885  1.0
  Pr  Pr1  4  0.1784  0.5000  0.0896  1.0
  Y  Y2  4  0.2266  0.0000  0.3674  1.0
  Si  Si3  4  0.0082  0.0000  0.8930  1.0
  Si  Si4  4  0.1090  0.0000  0.5532  1.0
]