data_[Na3Cd3In9Hg18]
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 [R3]
_cell_length_a [9.7894]
_cell_length_b [9.7894]
_cell_length_c [10.8265]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [NaCd(InHg2)3]
_chemical_formula_sum '[Na3 Cd3 In9 Hg18]'
_cell_volume [898.5200]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0483  1
  Cd  Cd1  3  0.0000  0.0000  0.5677  1
  In  In2  9  0.1512  0.4558  0.9912  1
  Hg  Hg3  9  0.0204  0.2014  0.7933  1
  Hg  Hg4  9  0.0423  0.6862  0.2004  1
]