data_[Dy1Er1Br2O1]
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
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.6396]
_cell_length_b [3.6396]
_cell_length_c [10.1094]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [DyErBr2O]
_chemical_formula_sum '[Dy1 Er1 Br2 O1]'
_cell_volume [115.9724]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.6227  1
  Er  Er1  1  0.6667  0.3333  0.3796  1
  Br  Br2  1  0.0000  0.0000  0.1906  1
  Br  Br3  1  0.6667  0.3333  0.8161  1
  O  O4  1  0.3333  0.6667  0.4910  1
]