data_[Tb4Ho4Er2Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3832]
_cell_length_b [3.5385]
_cell_length_c [9.3960]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.7998]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Ho2ErTm4]
_chemical_formula_sum '[Tb4 Ho4 Er2 Tm8]'
_cell_volume [550.2793]
_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  0.1477  0.0000  0.6650  1
  Ho  Ho1  4  0.1663  0.5000  0.0013  1
  Er  Er2  2  0.0000  0.0000  0.0000  1
  Tm  Tm3  4  0.0190  0.5000  0.3332  1
  Tm  Tm4  4  0.1851  0.0000  0.3346  1
]