data_[Ho4Er16Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.2289]
_cell_length_b [5.4980]
_cell_length_c [6.3464]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.3316]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ho2Er8Tl]
_chemical_formula_sum '[Ho4 Er16 Tl2]'
_cell_volume [668.0376]
_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
[
  Ho  Ho0  4  0.2439  0.0000  0.3344  1.0
  Er  Er1  4  0.0450  0.0000  0.2692  1.0
  Er  Er2  4  0.0788  0.5000  0.5980  1.0
  Er  Er3  4  0.1542  0.0000  0.8020  1.0
  Er  Er4  4  0.1617  0.5000  0.1238  1.0
  Tl  Tl5  2  0.0000  0.5000  0.0000  1.0
]