data_[Ce16Fe4Sn4]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.6408]
_cell_length_b [6.9507]
_cell_length_c [15.3355]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ce4FeSn]
_chemical_formula_sum '[Ce16 Fe4 Sn4]'
_cell_volume [601.2727]
_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  8  0.0000  0.2567  0.3794  1
  Ce  Ce1  4  0.0000  0.2090  0.0000  1
  Ce  Ce2  4  0.0000  0.5000  0.1909  1
  Fe  Fe3  4  0.2420  0.5000  0.0000  1
  Sn  Sn4  4  0.0000  0.0000  0.1944  1
]