data_[Na12Zn6Cd36Hg6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.3428]
_cell_length_b [7.3428]
_cell_length_c [35.1783]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Na2ZnCd6Hg]
_chemical_formula_sum '[Na12 Zn6 Cd36 Hg6]'
_cell_volume [1642.5967]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.1009  1
  Na  Na1  6  0.0000  0.0000  0.2756  1
  Zn  Zn2  3  -0.0000  -0.0000  0.5000  1
  Zn  Zn3  3  0.0000  0.0000  0.0000  1
  Cd  Cd4  18  0.0603  0.5302  0.3080  1
  Cd  Cd5  18  0.0694  0.5347  0.8598  1
  Hg  Hg6  6  0.0000  0.0000  0.4251  1
]