data_[Dy10Si2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Si  1.9000  1.1000  0.5400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [9.1755]
_cell_length_b [9.1755]
_cell_length_c [5.7609]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Dy5SiSe4]
_chemical_formula_sum '[Dy10 Si2 Se8]'
_cell_volume [485.0129]
_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  8  0.0964  0.7117  0.0000  1
  Dy  Dy1  2  0.0000  0.0000  0.5000  1
  Si  Si2  2  0.0000  0.0000  0.0000  1
  Se  Se3  8  0.0972  0.6975  0.5000  1
]