data_[Ho8Hg4O2]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.5606]
_cell_length_b [6.8866]
_cell_length_c [8.2221]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8744]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ho4Hg2O]
_chemical_formula_sum '[Ho8 Hg4 O2]'
_cell_volume [355.4837]
_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  0.4756  0.0048  0.7270  1
  Ho  Ho1  2  0.0766  0.7500  0.3677  1
  Ho  Ho2  2  0.1328  0.7500  0.9373  1
  Hg  Hg3  2  0.2163  0.2500  0.4042  1
  Hg  Hg4  2  0.2879  0.2500  0.9723  1
  O  O5  2  0.2936  0.7500  0.2083  1
]