data_[Ho8Tl4Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.2293]
_cell_length_b [4.0621]
_cell_length_c [14.1816]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Ho2TlSb]
_chemical_formula_sum '[Ho8 Tl4 Sb4]'
_cell_volume [474.0686]
_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
[
  Ho  Ho0  4  0.1883  0.2500  0.9922  1
  Ho  Ho1  4  0.1898  0.7500  0.2371  1
  Tl  Tl2  4  0.0440  0.2500  0.5845  1
  Sb  Sb3  4  0.0668  0.7500  0.8412  1
]