data_[Tb6Y4Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.3909]
_cell_length_b [3.6665]
_cell_length_c [9.0225]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.4116]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3(YCu)2]
_chemical_formula_sum '[Tb6 Y4 Cu4]'
_cell_volume [367.1156]
_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  4  0.1143  0.5000  0.4431  1.0
  Tb  Tb1  2  0.0000  0.5000  0.0000  1.0
  Y  Y2  4  0.1548  0.0000  0.8118  1.0
  Cu  Cu3  4  0.1687  0.0000  0.2278  1.0
]