data_[Na2Cd2Hg4Pb4]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.4744]
_cell_length_b [8.9420]
_cell_length_c [6.8077]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [NaCd(HgPb)2]
_chemical_formula_sum '[Na2 Cd2 Hg4 Pb4]'
_cell_volume [333.2533]
_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  0.4794  0.9934  1.0
  Cd  Cd1  2  0.5000  0.3069  0.6791  1.0
  Hg  Hg2  2  0.0000  0.1754  0.7843  1.0
  Hg  Hg3  2  0.5000  0.3711  0.2450  1.0
  Pb  Pb4  2  0.0000  0.1718  0.3036  1.0
  Pb  Pb5  2  0.5000  0.0414  0.0402  1.0
]