data_[Na4Ag8Hg4Br24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.3684]
_cell_length_b [14.1303]
_cell_length_c [7.7082]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.3941]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaAg2HgBr6]
_chemical_formula_sum '[Na4 Ag8 Hg4 Br24]'
_cell_volume [1472.5488]
_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
[
  Na  Na0  4  0.0000  0.0942  0.2500  1.0
  Ag  Ag1  8  0.2033  0.4383  0.2723  1.0
  Hg  Hg2  4  0.0000  0.2209  0.7500  1.0
  Br  Br3  8  0.1021  0.4561  0.4532  1.0
  Br  Br4  8  0.1111  0.2432  0.1153  1.0
  Br  Br5  8  0.1191  0.0682  0.6829  1.0
]