data_[Na3Hg2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.3573]
_cell_length_b [6.3973]
_cell_length_c [8.9377]
_cell_angle_alpha [102.0660]
_cell_angle_beta [90.4498]
_cell_angle_gamma [114.6185]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Na3(HgBi2)2]
_chemical_formula_sum '[Na3 Hg2 Bi4]'
_cell_volume [270.7616]
_cell_formula_units_Z [1]
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  0.1292  0.2735  0.6616  1.0
  Na  Na1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.2085  0.4001  0.3302  1.0
  Bi  Bi3  2  0.3312  0.6602  0.0608  1.0
  Bi  Bi4  2  0.4305  0.8768  0.6462  1.0
]