data_[Ho20Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.2215]
_cell_length_b [7.2905]
_cell_length_c [6.7160]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.0644]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Ho5Hg2]
_chemical_formula_sum '[Ho20 Hg8]'
_cell_volume [794.1195]
_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  8  0.0930  0.1481  0.0070  1.0
  Ho  Ho1  8  0.2283  0.4681  0.2609  1.0
  Ho  Ho2  4  0.0000  0.4954  0.7500  1.0
  Hg  Hg3  8  0.1130  0.2477  0.5153  1.0
]