data_[Tb16Y4Er6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.6092]
_cell_length_b [20.2954]
_cell_length_c [5.5921]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Tb8Y2Er3]
_chemical_formula_sum '[Tb16 Y4 Er6]'
_cell_volume [863.6105]
_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  8  0.2104  0.3932  0.5000  1
  Tb  Tb1  4  0.0000  0.1310  0.0000  1
  Tb  Tb2  4  0.0000  0.3348  0.0000  1
  Y  Y3  4  0.0000  0.2410  0.5000  1
  Er  Er4  4  0.2153  0.5000  0.0000  1
  Er  Er5  2  0.0000  0.0000  0.5000  1
]