data_[Dy8Er6Se16]
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 [C2/m]
_cell_length_a [11.4285]
_cell_length_b [11.4367]
_cell_length_c [8.0813]
_cell_angle_alpha [90.0000]
_cell_angle_beta [134.9514]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Dy4Er3Se8]
_chemical_formula_sum '[Dy8 Er6 Se16]'
_cell_volume [747.5184]
_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  0.2500  0.2500  0.5000  1.0
  Dy  Dy1  2  0.0000  0.0000  0.0000  1.0
  Dy  Dy2  2  0.0000  0.5000  0.5000  1.0
  Er  Er3  4  0.2500  0.2500  0.0000  1.0
  Er  Er4  2  0.0000  0.0000  0.5000  1.0
  Se  Se5  4  0.0000  0.2489  0.5000  1.0
  Se  Se6  4  0.0000  0.2546  0.0000  1.0
  Se  Se7  4  0.2465  0.5000  0.0023  1.0
  Se  Se8  4  0.2467  0.5000  0.4911  1.0
]