data_[Tb4Dy2Y4Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.5338]
_cell_length_b [3.5670]
_cell_length_c [9.4796]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.7634]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Dy(YEr2)2]
_chemical_formula_sum '[Tb4 Dy2 Y4 Er8]'
_cell_volume [564.3958]
_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  0.1664  0.5000  0.0017  1
  Y  Y1  4  0.1473  0.0000  0.6648  1
  Dy  Dy2  2  0.0000  0.0000  0.0000  1
  Er  Er3  4  0.0189  0.5000  0.3334  1
  Er  Er4  4  0.1851  0.0000  0.3352  1
]