data_[Tb3Cu27Sn6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.0872]
_cell_length_b [5.0872]
_cell_length_c [24.5496]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [TbCu9Sn2]
_chemical_formula_sum '[Tb3 Cu27 Sn6]'
_cell_volume [550.2232]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1.0
  Cu  Cu1  18  0.0031  0.5016  0.9165  1.0
  Cu  Cu2  6  0.0000  0.0000  0.3338  1.0
  Cu  Cu3  3  -0.0000  -0.0000  0.5000  1.0
  Sn  Sn4  6  0.0000  0.0000  0.1387  1.0
]