data_[Tb4Tm8Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.6255]
_cell_length_b [11.7310]
_cell_length_c [5.9083]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.5545]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb(TmSn)2]
_chemical_formula_sum '[Tb4 Tm8 Sn8]'
_cell_volume [613.7297]
_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
[
  Tb  Tb0  4  0.0000  0.0979  0.2500  1
  Tm  Tm1  8  0.1801  0.4042  0.8988  1
  Sn  Sn2  4  0.0000  0.1758  0.7500  1
  Sn  Sn3  4  0.0000  0.3686  0.2500  1
]