data_[Tb4Sm4Dy16Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2704]
_cell_length_b [7.0949]
_cell_length_c [12.2633]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0548]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbSm(Dy2Er)2]
_chemical_formula_sum '[Tb4 Sm4 Dy16 Er8]'
_cell_volume [1009.1063]
_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  0.2500  0.2500  0.5000  1.0
  Sm  Sm1  2  0.0000  0.5000  0.0000  1.0
  Sm  Sm2  2  0.0000  0.5000  0.5000  1.0
  Dy  Dy3  8  0.0002  0.2498  0.7505  1.0
  Dy  Dy4  4  0.2495  0.0000  0.2481  1.0
  Dy  Dy5  4  0.2500  0.0000  0.7501  1.0
  Er  Er6  4  0.2500  0.2500  0.0000  1.0
  Er  Er7  2  0.0000  0.0000  0.0000  1.0
  Er  Er8  2  0.0000  0.0000  0.5000  1.0
]