data_[Tb4Sm20Dy4Er8]
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 [Cmc2_1]
_cell_length_a [5.6234]
_cell_length_b [20.1526]
_cell_length_c [10.6327]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TbSm5DyEr2]
_chemical_formula_sum '[Tb4 Sm20 Dy4 Er8]'
_cell_volume [1204.9628]
_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  0.1994  0.0105  1
  Sm  Sm1  4  0.0000  0.0170  0.0211  1
  Sm  Sm2  4  0.0000  0.2810  0.3104  1
  Sm  Sm3  4  0.0000  0.2984  0.7064  1
  Sm  Sm4  4  0.0000  0.3887  0.0233  1
  Sm  Sm5  4  0.0000  0.4803  0.7414  1
  Dy  Dy6  4  0.0000  0.4111  0.4576  1
  Er  Er7  4  0.0000  0.1110  0.7380  1
  Er  Er8  4  0.0000  0.1150  0.3154  1
]