data_[Tb6Er3Zn36Cu9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.4956]
_cell_length_b [6.4956]
_cell_length_c [27.5854]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Tb2Er(Zn4Cu)3]
_chemical_formula_sum '[Tb6 Er3 Zn36 Cu9]'
_cell_volume [1007.9775]
_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  6  0.0000  0.0000  0.3570  1
  Er  Er1  3  0.0000  0.0000  0.0000  1
  Zn  Zn2  18  0.0622  0.5311  0.4046  1
  Zn  Zn3  18  0.0681  0.5340  0.2131  1
  Cu  Cu4  9  0.0000  0.5000  0.5000  1
]