data_[Tb16Er8Tm12]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cccm]
_cell_length_a [9.6397]
_cell_length_b [16.6660]
_cell_length_c [6.8986]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [66]
_chemical_formula_structural [Tb4Er2Tm3]
_chemical_formula_sum '[Tb16 Er8 Tm12]'
_cell_volume [1108.3020]
_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  8  0.1438  0.3251  0.5000  1.0
  Tb  Tb1  8  0.1652  0.0165  0.5000  1.0
  Er  Er2  8  0.1911  0.3408  0.0000  1.0
  Tm  Tm3  8  0.0000  0.1681  0.2500  1.0
  Tm  Tm4  4  0.0000  0.5000  0.2500  1.0
]