data_[Tb8Sm20Dy4Er4]
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 [5.6263]
_cell_length_b [20.1981]
_cell_length_c [10.6438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb2Sm5DyEr]
_chemical_formula_sum '[Tb8 Sm20 Dy4 Er4]'
_cell_volume [1209.5638]
_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  0.1115  0.7373  1
  Tb  Tb1  4  0.0000  0.1149  0.3144  1
  Sm  Sm2  4  0.0000  0.0167  0.0198  1
  Sm  Sm3  4  0.0000  0.2803  0.3104  1
  Sm  Sm4  4  0.0000  0.2985  0.7065  1
  Sm  Sm5  4  0.0000  0.3871  0.0223  1
  Sm  Sm6  4  0.0000  0.4813  0.7423  1
  Dy  Dy7  4  0.0000  0.1993  0.0104  1
  Er  Er8  4  0.0000  0.4095  0.4605  1
]