data_[Tb16Pr4Er8Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [6.7873]
_cell_length_b [11.7582]
_cell_length_c [13.2307]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Tb4PrEr2Tm]
_chemical_formula_sum '[Tb16 Pr4 Er8 Tm4]'
_cell_volume [1055.8906]
_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  8  0.0000  0.0006  0.2523  1
  Tb  Tb1  8  0.2482  0.7500  0.5008  1
  Pr  Pr2  4  0.0000  0.0000  0.0000  1
  Er  Er3  4  0.0000  0.0000  0.5000  1
  Er  Er4  4  0.2500  0.2500  0.7500  1
  Tm  Tm5  4  0.2500  0.2500  0.2500  1
]