data_[Ce18Ge3Se36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Ge  2.0100  1.2500  0.7700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.7389]
_cell_length_b [12.7389]
_cell_length_c [11.6843]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ce6GeSe12]
_chemical_formula_sum '[Ce18 Ge3 Se36]'
_cell_volume [1642.0769]
_cell_formula_units_Z [3]
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  18  0.0537  0.2724  0.6493  1.0
  Ge  Ge1  3  0.0000  0.0000  0.0000  1.0
  Se  Se2  18  0.0361  0.2186  0.3961  1.0
  Se  Se3  18  0.0516  0.2074  0.8898  1.0
]