data_[Na4Hg4H8F24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.3688]
_cell_length_b [9.4550]
_cell_length_c [6.0554]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.0758]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaHgH2F6]
_chemical_formula_sum '[Na4 Hg4 H8 F24]'
_cell_volume [563.2687]
_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  0.0980  0.2500  1.0
  Hg  Hg1  4  0.0000  0.3738  0.7500  1.0
  H  H2  8  0.2414  0.0271  0.7950  1.0
  F  F3  8  0.0987  0.2312  0.0476  1.0
  F  F4  8  0.1285  0.4691  0.5270  1.0
  F  F5  8  0.1464  0.0598  0.6786  1.0
]