data_[Tb2Pr2Er4Tm8]
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 [Pmmm]
_cell_length_a [7.1068]
_cell_length_b [7.1220]
_cell_length_c [9.7818]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [TbPr(ErTm2)2]
_chemical_formula_sum '[Tb2 Pr2 Er4 Tm8]'
_cell_volume [495.1028]
_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  0.0000  0.0000  0.0000  1.0
  Tb  Tb1  1  0.0000  0.5000  0.0000  1.0
  Pr  Pr2  1  0.0000  0.5000  0.5000  1.0
  Pr  Pr3  1  0.5000  0.5000  0.0000  1.0
  Er  Er4  1  0.0000  0.0000  0.5000  1.0
  Er  Er5  1  0.5000  0.0000  0.0000  1.0
  Er  Er6  1  0.5000  0.0000  0.5000  1.0
  Er  Er7  1  0.5000  0.5000  0.5000  1.0
  Tm  Tm8  8  0.2508  0.2475  0.2508  1.0
]