data_[Ce1S1I1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  S  2.5800  1.0000  0.8800
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [4.3844]
_cell_length_b [4.3844]
_cell_length_c [6.9449]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [CeSI]
_chemical_formula_sum '[Ce1 S1 I1]'
_cell_volume [115.6181]
_cell_formula_units_Z [1]
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
[
  Ce  Ce0  1  0.6667  0.3333  0.6175  1.0
  S  S1  1  0.3333  0.6667  0.4618  1.0
  I  I2  1  0.0000  0.0000  0.9207  1.0
]