data_[Ce8Sn2O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.8145]
_cell_length_b [5.4183]
_cell_length_c [19.1995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ce4SnO10]
_chemical_formula_sum '[Ce8 Sn2 O20]'
_cell_volume [396.8122]
_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  0.0000  0.1987  1.0
  Ce  Ce1  4  0.0000  0.0000  0.4022  1.0
  Sn  Sn2  2  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0000  0.2435  0.0950  1.0
  O  O4  8  0.0000  0.2486  0.6991  1.0
  O  O5  4  0.0000  0.2653  0.5000  1.0
]