data_[Ag4Hg8O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [11.7681]
_cell_length_b [7.4500]
_cell_length_c [4.6328]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [AgHg2O3]
_chemical_formula_sum '[Ag4 Hg8 O12]'
_cell_volume [406.1632]
_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
[
  Ag  Ag0  4  0.0000  0.1515  0.2500  1
  Hg  Hg1  8  0.1642  0.3379  0.7500  1
  O  O2  8  0.1627  0.3435  0.2500  1
  O  O3  4  0.0000  0.1500  0.7500  1
]