data_[Ce24Si3Ge18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.9263]
_cell_length_b [8.9263]
_cell_length_c [17.7249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ce8SiGe6]
_chemical_formula_sum '[Ce24 Si3 Ge18]'
_cell_volume [1223.0973]
_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  0.0110  0.7390  0.0923  1
  Ce  Ce1  6  0.0000  0.0000  0.3394  1
  Si  Si2  3  0.0000  0.0000  0.0000  1
  Ge  Ge3  18  0.0113  0.6288  0.9269  1
]