data_[Tb4Si2Sn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [5.9912]
_cell_length_b [4.0598]
_cell_length_c [8.6146]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.6437]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb2SiSn]
_chemical_formula_sum '[Tb4 Si2 Sn2]'
_cell_volume [199.6761]
_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
[
  Tb  Tb0  2  0.1895  0.7500  0.4194  1
  Tb  Tb1  2  0.2748  0.2500  0.0593  1
  Si  Si2  2  0.1183  0.7500  0.7946  1
  Sn  Sn3  2  0.3794  0.2500  0.7092  1
]