data_[Ce4Fe4Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Fe  1.8300  1.4000  0.8525
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P2_13]
_cell_length_a [6.0310]
_cell_length_b [6.0310]
_cell_length_c [6.0310]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [198]
_chemical_formula_structural [CeFeSi]
_chemical_formula_sum '[Ce4 Fe4 Si4]'
_cell_volume [219.3637]
_cell_formula_units_Z [4]
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  4  0.1495  0.8505  0.3505  1
  Fe  Fe1  4  0.0522  0.4478  0.5522  1
  Si  Si2  4  0.1573  0.6573  0.8427  1
]