data_[Hg8H4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4509]
_cell_length_b [5.6936]
_cell_length_c [5.8108]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.1673]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Hg2HO2]
_chemical_formula_sum '[Hg8 H4 O8]'
_cell_volume [375.8891]
_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
[
  Hg  Hg0  4  0.1055  0.0000  0.9389  1.0
  Hg  Hg1  4  0.1547  0.5000  0.4283  1.0
  H  H2  4  0.1325  0.5000  0.8701  1.0
  O  O3  4  0.0758  0.5000  0.7214  1.0
  O  O4  4  0.2158  0.5000  0.1193  1.0
]