data_[Pr6Dy3Er3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.9894]
_cell_length_b [5.9894]
_cell_length_c [15.2850]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Pr2DyErO6]
_chemical_formula_sum '[Pr6 Dy3 Er3 O18]'
_cell_volume [474.8539]
_cell_formula_units_Z [3]
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
[
  Pr  Pr0  3  0.0000  0.0000  0.4672  1.0
  Pr  Pr1  3  0.0000  0.0000  0.9676  1.0
  Dy  Dy2  3  0.0000  0.0000  0.1899  1.0
  Er  Er3  3  0.0000  0.0000  0.6890  1.0
  O  O4  9  0.0599  0.3606  0.7538  1.0
  O  O5  9  0.0613  0.6967  0.2544  1.0
]