data_[Tb4Cu4Sn4]
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 [Pnma]
_cell_length_a [7.3463]
_cell_length_b [4.5466]
_cell_length_c [7.7902]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [TbCuSn]
_chemical_formula_sum '[Tb4 Cu4 Sn4]'
_cell_volume [260.1990]
_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  0.0053  0.2500  0.7852  1
  Cu  Cu1  4  0.1788  0.7500  0.5791  1
  Sn  Sn2  4  0.2177  0.2500  0.4080  1
]