data_[Tb4Sm16Er2]
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 [Cmmm]
_cell_length_a [10.3005]
_cell_length_b [13.4604]
_cell_length_c [5.4609]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tb2Sm8Er]
_chemical_formula_sum '[Tb4 Sm16 Er2]'
_cell_volume [757.1414]
_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  0.3805  0.0000  1
  Sm  Sm1  8  0.1643  0.1341  0.0000  1
  Sm  Sm2  4  0.0000  0.2523  0.5000  1
  Sm  Sm3  4  0.1658  0.5000  0.5000  1
  Er  Er4  2  0.0000  0.0000  0.5000  1
]