data_[Ag4Hg4Br16]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.8346]
_cell_length_b [15.0957]
_cell_length_c [7.7688]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.2014]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AgHgBr4]
_chemical_formula_sum '[Ag4 Hg4 Br16]'
_cell_volume [794.0895]
_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  0.1816  0.2500  1.0
  Hg  Hg1  4  0.0000  0.3261  0.7500  1.0
  Br  Br2  8  0.2362  0.3039  0.2373  1.0
  Br  Br3  8  0.2365  0.9412  0.7517  1.0
]