data_[Dy6Y4Er2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Y  1.2200  1.8000  1.0400
  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 [17.8209]
_cell_length_b [4.0658]
_cell_length_c [8.1783]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.5510]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Dy3Y2ErSe6]
_chemical_formula_sum '[Dy6 Y4 Er2 Se12]'
_cell_volume [576.0756]
_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
[
  Y  Y0  4  0.1676  0.0000  0.3350  1.0
  Dy  Dy1  4  0.1680  0.0000  0.8332  1.0
  Dy  Dy2  2  0.0000  0.5000  0.5000  1.0
  Er  Er3  2  0.0000  0.5000  0.0000  1.0
  Se  Se4  4  0.0004  0.0000  0.7529  1.0
  Se  Se5  4  0.1651  0.5000  0.0821  1.0
  Se  Se6  4  0.1660  0.5000  0.5837  1.0
]