data_[Dy4Er16Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.9591]
_cell_length_b [13.2667]
_cell_length_c [20.5925]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Dy(Er2Se3)2]
_chemical_formula_sum '[Dy4 Er16 Se24]'
_cell_volume [1081.6036]
_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
[
  Dy  Dy0  4  0.0000  0.3477  0.7500  1
  Er  Er1  8  0.0000  0.1405  0.0380  1
  Er  Er2  8  0.0000  0.4104  0.1267  1
  Se  Se3  8  0.0000  0.0524  0.1659  1
  Se  Se4  8  0.0000  0.2312  0.5905  1
  Se  Se5  4  0.0000  0.3107  0.2500  1
  Se  Se6  4  0.0000  0.5000  0.0000  1
]