data_[Na2Cd1Hg1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [3.9569]
_cell_length_b [5.5602]
_cell_length_c [7.9691]
_cell_angle_alpha [83.5611]
_cell_angle_beta [87.6549]
_cell_angle_gamma [83.5864]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Na2CdHgF8]
_chemical_formula_sum '[Na2 Cd1 Hg1 F8]'
_cell_volume [173.0612]
_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
[
  Na  Na0  2  0.4985  0.4882  0.2630  1.0
  Cd  Cd1  1  0.0000  0.0000  0.5000  1.0
  Hg  Hg2  1  0.0000  0.0000  0.0000  1.0
  F  F3  2  0.0450  0.2473  0.2717  1.0
  F  F4  2  0.0640  0.2268  0.7800  1.0
  F  F5  2  0.4350  0.7610  0.9772  1.0
  F  F6  2  0.4643  0.7639  0.4682  1.0
]