data_[Ce4Si2Sn2]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.2164]
_cell_length_b [4.2147]
_cell_length_c [8.6892]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.2833]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ce2SiSn]
_chemical_formula_sum '[Ce4 Si2 Sn2]'
_cell_volume [227.6554]
_cell_formula_units_Z [2]
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  2  0.1185  0.7500  0.1645  1
  Ce  Ce1  2  0.3805  0.7500  0.7006  1
  Si  Si2  2  0.3841  0.2500  0.9673  1
  Sn  Sn3  2  0.1526  0.2500  0.4573  1
]