data_[Ca2Ce2Bi2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Ce  1.1200  1.8500  1.0800
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [3.9596]
_cell_length_b [3.9596]
_cell_length_c [13.8199]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [CaCeBiO2]
_chemical_formula_sum '[Ca2 Ce2 Bi2 O4]'
_cell_volume [216.6801]
_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
[
  Ca  Ca0  2  0.0000  0.0000  0.8325  1.0
  Ce  Ce1  2  0.0000  0.0000  0.1734  1.0
  Bi  Bi2  2  0.0000  0.0000  0.5036  1.0
  O  O3  4  0.0000  0.5000  0.2453  1.0
]