data_[Tb4Nd4Sm16Er8]
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/c]
_cell_length_a [13.6837]
_cell_length_b [13.2721]
_cell_length_c [6.8490]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.9629]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [TbNd(Sm2Er)2]
_chemical_formula_sum '[Tb4 Nd4 Sm16 Er8]'
_cell_volume [1077.6042]
_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  4  0.0000  0.0000  0.0000  1
  Nd  Nd1  4  0.2500  0.2500  0.0000  1
  Sm  Sm2  8  0.0013  0.2519  0.0005  1
  Sm  Sm3  8  0.2490  0.4974  0.4780  1
  Er  Er4  4  0.0000  0.5000  0.0000  1
  Er  Er5  4  0.2500  0.2500  0.5000  1
]