data_[Li4Ce4As4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  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/c]
_cell_length_a [8.3321]
_cell_length_b [8.6450]
_cell_length_c [7.9984]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.6695]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [LiCeAsO5]
_chemical_formula_sum '[Li4 Ce4 As4 O20]'
_cell_volume [505.4971]
_cell_formula_units_Z [4]
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
[
  Li  Li0  4  0.0000  0.3171  0.2500  1.0
  Ce  Ce1  4  0.0000  0.0000  0.0000  1.0
  As  As2  4  0.0000  0.3709  0.7500  1.0
  O  O3  8  0.0026  0.2570  0.5751  1.0
  O  O4  8  0.1803  0.4997  0.8428  1.0
  O  O5  4  0.0000  0.0904  0.2500  1.0
]