data_[Tb4Y8Er20Tm4]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.5626]
_cell_length_b [19.6389]
_cell_length_c [10.5503]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TbY2Er5Tm]
_chemical_formula_sum '[Tb4 Y8 Er20 Tm4]'
_cell_volume [1152.5422]
_cell_formula_units_Z [4]
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  0.2015  0.0101  1
  Y  Y1  4  0.0000  0.1088  0.7370  1
  Y  Y2  4  0.0000  0.1133  0.3195  1
  Er  Er3  4  0.0000  0.0195  0.0261  1
  Er  Er4  4  0.0000  0.2831  0.3051  1
  Er  Er5  4  0.0000  0.3001  0.7074  1
  Er  Er6  4  0.0000  0.3931  0.0223  1
  Er  Er7  4  0.0000  0.4794  0.7379  1
  Tm  Tm8  4  0.0000  0.4134  0.4586  1
]