data_[Na4Tl8In20Hg4]
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 [3.3710]
_cell_length_b [20.0742]
_cell_length_c [15.1254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [NaTl2In5Hg]
_chemical_formula_sum '[Na4 Tl8 In20 Hg4]'
_cell_volume [1023.5433]
_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  0.3787  0.3874  1.0
  Tl  Tl1  4  0.0000  0.0336  0.3621  1.0
  Tl  Tl2  4  0.0000  0.1936  0.7038  1.0
  In  In3  4  0.0000  0.0450  0.0512  1.0
  In  In4  4  0.0000  0.2128  0.3648  1.0
  In  In5  4  0.0000  0.3677  0.7051  1.0
  In  In6  4  0.0000  0.3713  0.0197  1.0
  In  In7  4  0.0000  0.4598  0.1943  1.0
  Hg  Hg8  4  0.0000  0.2086  0.0355  1.0
]