data_[Li2Ce2As2O2]
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 [P6_3mc]
_cell_length_a [3.9598]
_cell_length_b [3.9598]
_cell_length_c [10.5397]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [186]
_chemical_formula_structural [LiCeAsO]
_chemical_formula_sum '[Li2 Ce2 As2 O2]'
_cell_volume [143.1216]
_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
[
  Li  Li0  2  0.0000  0.0000  0.3421  1.0
  Ce  Ce1  2  0.3333  0.6667  0.0738  1.0
  As  As2  2  0.3333  0.6667  0.7522  1.0
  O  O3  2  0.0000  0.0000  0.0196  1.0
]