data_[Ca2Ce2As4O16]
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
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.7516]
_cell_length_b [5.4332]
_cell_length_c [8.1443]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.2387]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [CaCe(AsO4)2]
_chemical_formula_sum '[Ca2 Ce2 As4 O16]'
_cell_volume [343.0010]
_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  0.9368  0.0000  1.0
  Ce  Ce1  2  0.0000  0.9459  0.5000  1.0
  As  As2  4  0.1177  0.4978  0.2493  1.0
  O  O3  4  0.0479  0.7144  0.7335  1.0
  O  O4  4  0.0513  0.1968  0.2650  1.0
  O  O5  4  0.2116  0.5696  0.0689  1.0
  O  O6  4  0.2259  0.5800  0.4301  1.0
]