data_[Ag4Hg4F6]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.2536]
_cell_length_b [3.1248]
_cell_length_c [8.3441]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.4657]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ag2Hg2F3]
_chemical_formula_sum '[Ag4 Hg4 F6]'
_cell_volume [255.4684]
_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
[
  Ag  Ag0  4  0.2465  0.0000  0.2907  1
  Hg  Hg1  4  0.0929  0.0000  0.8026  1
  F  F2  4  0.1207  0.5000  0.3647  1
  F  F3  2  0.0000  0.0000  0.0000  1
]