data_[Tb8Sm4Er10]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.4897]
_cell_length_b [9.0158]
_cell_length_c [23.0576]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Tb4Sm2Er5]
_chemical_formula_sum '[Tb8 Sm4 Er10]'
_cell_volume [725.4461]
_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  4  0.0000  0.0000  0.4032  1
  Tb  Tb1  4  0.0000  0.3057  0.0000  1
  Sm  Sm2  4  0.0000  0.0000  0.2683  1
  Er  Er3  8  0.0000  0.1951  0.1428  1
  Er  Er4  2  0.0000  0.5000  0.5000  1
]