data_[Na18Ce6Te18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.6955]
_cell_length_b [8.6955]
_cell_length_c [22.7785]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Na3CeTe3]
_chemical_formula_sum '[Na18 Ce6 Te18]'
_cell_volume [1491.5790]
_cell_formula_units_Z [6]
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
[
  Na  Na0  18  0.0100  0.2896  0.1162  1
  Ce  Ce1  6  0.0000  0.0000  0.3343  1
  Te  Te2  18  0.0067  0.3782  0.9233  1
]