data_[Ce8As10O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.0192]
_cell_length_b [6.8646]
_cell_length_c [17.8010]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ce4As5O]
_chemical_formula_sum '[Ce8 As10 O2]'
_cell_volume [491.1274]
_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  0.2142  0.0000  1
  Ce  Ce1  4  0.0000  0.5000  0.3075  1
  As  As2  8  0.0000  0.3062  0.1616  1
  As  As3  2  0.0000  0.0000  0.5000  1
  O  O4  2  0.0000  0.5000  0.5000  1
]