data_[Na4In8Hg20Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.6561]
_cell_length_b [17.5376]
_cell_length_c [15.5610]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [NaIn2Hg5Pb]
_chemical_formula_sum '[Na4 In8 Hg20 Pb4]'
_cell_volume [997.7634]
_cell_formula_units_Z [4]
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  0.0000  0.4193  0.4128  1.0
  In  In1  4  0.0000  0.0890  0.3501  1.0
  In  In2  4  0.0000  0.1559  0.6869  1.0
  Hg  Hg3  4  0.0000  0.0582  0.0753  1.0
  Hg  Hg4  4  0.0000  0.2596  0.3361  1.0
  Hg  Hg5  4  0.0000  0.3306  0.6936  1.0
  Hg  Hg6  4  0.0000  0.4145  0.0204  1.0
  Hg  Hg7  4  0.0000  0.4860  0.2285  1.0
  Pb  Pb8  4  0.0000  0.2351  0.0203  1.0
]