data_[Tb2Y2Er4]
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 [Pm]
_cell_length_a [6.7472]
_cell_length_b [5.4961]
_cell_length_c [7.0351]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9244]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [TbYEr2]
_chemical_formula_sum '[Tb2 Y2 Er4]'
_cell_volume [252.0852]
_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  1  0.8858  0.5000  0.1099  1
  Tb  Tb1  1  0.8885  0.5000  0.6096  1
  Y  Y2  1  0.1497  0.0000  0.1746  1
  Y  Y3  1  0.6661  0.0000  0.8045  1
  Er  Er4  1  0.1454  0.0000  0.6727  1
  Er  Er5  1  0.3631  0.5000  0.9766  1
  Er  Er6  1  0.3650  0.5000  0.4786  1
  Er  Er7  1  0.6725  0.0000  0.3068  1
]