data_[Dy2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [6.6287]
_cell_length_b [9.4223]
_cell_length_c [8.2105]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.1034]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [DyI4]
_chemical_formula_sum '[Dy2 I8]'
_cell_volume [508.8755]
_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
[
  Dy  Dy0  2  0.0000  0.1138  0.7500  1.0
  I  I1  4  0.2495  0.3823  0.7314  1.0
  I  I2  4  0.2512  0.0987  0.0916  1.0
]