data_[Na8Tl20In4Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.7617]
_cell_length_b [14.9242]
_cell_length_c [14.7658]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Na2Tl5InHg]
_chemical_formula_sum '[Na8 Tl20 In4 Hg4]'
_cell_volume [1049.3091]
_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  0.0811  0.4281  1.0
  Na  Na1  4  0.0000  0.0830  0.7567  1.0
  Tl  Tl2  4  0.0000  0.0870  0.0907  1.0
  Tl  Tl3  4  0.0000  0.2488  0.5868  1.0
  Tl  Tl4  4  0.0000  0.2547  0.2603  1.0
  Tl  Tl5  4  0.0000  0.4095  0.7632  1.0
  Tl  Tl6  4  0.0000  0.4166  0.0888  1.0
  In  In7  4  0.0000  0.2461  0.9313  1.0
  Hg  Hg8  4  0.0000  0.4211  0.4181  1.0
]