data_[Tb6Ho2Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.1917]
_cell_length_b [7.2443]
_cell_length_c [6.2658]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Tb3HoEr4]
_chemical_formula_sum '[Tb6 Ho2 Er8]'
_cell_volume [508.0081]
_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  0.2499  0.3738  0.4810  1.0
  Tb  Tb1  2  0.0000  0.6264  0.6478  1.0
  Ho  Ho2  2  0.0000  0.3737  0.1475  1.0
  Er  Er3  4  0.2495  0.1238  0.9809  1.0
  Er  Er4  2  0.0000  0.1235  0.6478  1.0
  Er  Er5  2  0.0000  0.8762  0.1484  1.0
]