data_[Tb2Nd6Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.4856]
_cell_length_b [7.2765]
_cell_length_c [6.2702]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [TbNd3Er4]
_chemical_formula_sum '[Tb2 Nd6 Er8]'
_cell_volume [524.0364]
_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  2  0.0000  0.3701  0.1461  1.0
  Nd  Nd1  4  0.2498  0.6273  0.9826  1.0
  Nd  Nd2  2  0.0000  0.6281  0.6463  1.0
  Er  Er3  4  0.2488  0.1209  0.9811  1.0
  Er  Er4  2  0.0000  0.1209  0.6482  1.0
  Er  Er5  2  0.0000  0.8791  0.1473  1.0
]