data_[La8Tb6Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Tb  1.1000  1.7500  0.9815
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.6488]
_cell_length_b [9.5596]
_cell_length_c [19.4987]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [La4Tb3Sn4]
_chemical_formula_sum '[La8 Tb6 Sn8]'
_cell_volume [680.1436]
_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
[
  La  La0  8  0.0000  0.1677  0.3361  1
  Tb  Tb1  4  0.0000  0.0000  0.0892  1
  Tb  Tb2  2  0.0000  0.5000  0.0000  1
  Sn  Sn3  4  0.0000  0.2777  0.5000  1
  Sn  Sn4  4  0.0000  0.5000  0.2807  1
]