data_[Na10Cd4Hg8]
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 [23.0373]
_cell_length_b [3.5346]
_cell_length_c [7.4695]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.4121]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na5(CdHg2)2]
_chemical_formula_sum '[Na10 Cd4 Hg8]'
_cell_volume [605.5112]
_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  0.1316  0.0000  0.0333  1.0
  Na  Na1  4  0.1795  0.0000  0.4874  1.0
  Na  Na2  2  0.0000  0.5000  0.0000  1.0
  Cd  Cd3  4  0.2278  0.5000  0.8395  1.0
  Hg  Hg4  4  0.0423  0.0000  0.3405  1.0
  Hg  Hg5  4  0.0868  0.5000  0.6896  1.0
]