data_[Tb2Nd4Sm4Er8]
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
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.7748]
_cell_length_b [3.5934]
_cell_length_c [9.6355]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.8803]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbNd2(SmEr2)2]
_chemical_formula_sum '[Tb2 Nd4 Sm4 Er8]'
_cell_volume [584.8669]
_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  0.0000  0.0000  1.0
  Nd  Nd1  4  0.1653  0.5000  0.0015  1.0
  Sm  Sm2  4  0.1471  0.0000  0.6624  1.0
  Er  Er3  4  0.0196  0.5000  0.3329  1.0
  Er  Er4  4  0.1850  0.0000  0.3369  1.0
]