data_[Na6Ag6Hg2F16]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.7439]
_cell_length_b [6.8987]
_cell_length_c [7.1491]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.6691]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Ag3HgF8]
_chemical_formula_sum '[Na6 Ag6 Hg2 F16]'
_cell_volume [470.5487]
_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
[
  Na  Na0  4  0.2500  0.2500  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag2  4  0.2500  0.2500  0.0000  1.0
  Ag  Ag3  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg4  2  0.0000  0.0000  0.5000  1.0
  F  F5  8  0.0028  0.2503  0.2786  1.0
  F  F6  4  0.2395  0.0000  0.7164  1.0
  F  F7  4  0.2481  0.5000  0.7226  1.0
]