data_[Tb4Y10Er12]
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 [Pbam]
_cell_length_a [11.5707]
_cell_length_b [20.1688]
_cell_length_c [3.5689]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Tb2Y5Er6]
_chemical_formula_sum '[Tb4 Y10 Er12]'
_cell_volume [832.8549]
_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  0.1676  0.7893  0.0000  1
  Y  Y1  4  0.0894  0.2260  0.5000  1
  Y  Y2  4  0.1979  0.9494  0.5000  1
  Y  Y3  2  0.0000  0.5000  0.5000  1
  Er  Er4  4  0.0607  0.0803  0.0000  1
  Er  Er5  4  0.0826  0.3680  0.0000  1
  Er  Er6  4  0.1725  0.6352  0.5000  1
]