data_[Tb12Ho2Er4]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3747]
_cell_length_b [3.5397]
_cell_length_c [8.6570]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0270]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb6HoEr2]
_chemical_formula_sum '[Tb12 Ho2 Er4]'
_cell_volume [563.0578]
_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  0.1104  0.0000  0.6662  1
  Tb  Tb1  4  0.1662  0.5000  1.0000  1
  Tb  Tb2  4  0.2217  0.0000  0.3335  1
  Ho  Ho3  2  0.0000  0.0000  0.0000  1
  Er  Er4  4  0.0552  0.5000  0.3331  1
]