data_[Hg4F9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P31m]
_cell_length_a [8.2624]
_cell_length_b [8.2624]
_cell_length_c [17.1702]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [157]
_chemical_formula_structural [Hg4F9]
_chemical_formula_sum '[Hg4 F9]'
_cell_volume [1015.1247]
_cell_formula_units_Z [1]
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
[
  Hg  Hg0  3  0.0000  0.5432  0.5210  1
  Hg  Hg1  1  0.0000  0.0000  0.4263  1
  F  F2  6  0.1857  0.4311  0.5433  1
  F  F3  3  0.0000  0.7381  0.4169  1
]