data_[Tb12Er8Tm16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.1483]
_cell_length_b [11.4135]
_cell_length_c [6.0161]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.3667]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb3(ErTm2)2]
_chemical_formula_sum '[Tb12 Er8 Tm16]'
_cell_volume [1101.9779]
_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  0.1663  0.0979  0.0854  1
  Tb  Tb1  4  0.0000  0.4021  0.2500  1
  Er  Er2  8  0.1206  0.3601  0.8190  1
  Tm  Tm3  8  0.0465  0.1398  0.5149  1
  Tm  Tm4  8  0.2139  0.3604  0.3479  1
]