data_[Na10Cd10Hg4]
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
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5921]
_cell_length_b [4.5991]
_cell_length_c [9.8609]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.3935]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na5Cd5Hg2]
_chemical_formula_sum '[Na10 Cd10 Hg4]'
_cell_volume [701.2376]
_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  4  0.1345  0.5000  0.1660  1
  Na  Na1  4  0.1695  0.0000  0.6042  1
  Na  Na2  2  0.0000  0.5000  0.5000  1
  Cd  Cd3  4  0.0371  0.0000  0.3086  1
  Cd  Cd4  4  0.0823  0.5000  0.8160  1
  Cd  Cd5  2  0.0000  0.0000  0.0000  1
  Hg  Hg6  4  0.1907  0.0000  0.9528  1
]