data_[Dy4Se2I4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Se  2.5500  1.1500  1.0133
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.2495]
_cell_length_b [4.1872]
_cell_length_c [11.9515]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.0181]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Dy2SeI2]
_chemical_formula_sum '[Dy4 Se2 I4]'
_cell_volume [353.4587]
_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  4  0.2135  0.5000  0.6262  1
  Se  Se1  2  0.0000  0.0000  0.5000  1
  I  I2  4  0.0558  0.5000  0.2012  1
]