data_[Na8Cd4In4Hg20]
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
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [8.1454]
_cell_length_b [8.1454]
_cell_length_c [15.0103]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Na2CdInHg5]
_chemical_formula_sum '[Na8 Cd4 In4 Hg20]'
_cell_volume [995.8851]
_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  8  0.1237  0.3763  0.0000  1
  Cd  Cd1  4  0.0000  0.5000  0.2500  1
  In  In2  4  0.0000  0.0000  0.2500  1
  Hg  Hg3  16  0.2051  0.2949  0.3582  1
  Hg  Hg4  4  0.0000  0.0000  0.0000  1
]