data_[Na2In4Hg2I16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [10.7327]
_cell_length_b [10.7327]
_cell_length_c [9.7365]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [NaIn2HgI8]
_chemical_formula_sum '[Na2 In4 Hg2 I16]'
_cell_volume [1121.5495]
_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  2  0.0000  0.5000  0.2500  1.0
  In  In1  2  0.0000  0.0000  0.5000  1.0
  In  In2  2  0.0000  0.5000  0.7500  1.0
  Hg  Hg3  2  0.0000  0.0000  0.0000  1.0
  I  I4  8  0.0000  0.1964  0.3161  1.0
  I  I5  8  0.0000  0.3027  0.9376  1.0
]