data_[Ce8Y2O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Y  1.2200  1.8000  1.0400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [3.8215]
_cell_length_b [19.5554]
_cell_length_c [5.5249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Ce4YO9]
_chemical_formula_sum '[Ce8 Y2 O18]'
_cell_volume [412.8778]
_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
[
  Ce  Ce0  4  0.0000  0.1986  0.0037  1.0
  Ce  Ce1  4  0.0000  0.3943  0.0111  1.0
  Y  Y2  2  0.0000  0.0000  0.9512  1.0
  O  O3  4  0.0000  0.0827  0.2523  1.0
  O  O4  4  0.0000  0.1046  0.7476  1.0
  O  O5  4  0.0000  0.2977  0.2559  1.0
  O  O6  4  0.0000  0.3035  0.7571  1.0
  O  O7  2  0.0000  0.5000  0.2436  1.0
]