data_[Pr8Si2I10]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.8249]
_cell_length_b [4.3821]
_cell_length_c [9.1085]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.7895]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr4SiI5]
_chemical_formula_sum '[Pr8 Si2 I10]'
_cell_volume [771.6604]
_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  0.0002  0.0000  0.7867  1.0
  Pr  Pr1  4  0.1464  0.5000  0.0737  1.0
  Si  Si2  2  0.0000  0.5000  0.0000  1.0
  I  I3  4  0.1667  0.0000  0.3364  1.0
  I  I4  4  0.1712  0.0000  0.8269  1.0
  I  I5  2  0.0000  0.5000  0.5000  1.0
]