data_[K8Tl4Hg4Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [7.3334]
_cell_length_b [15.8802]
_cell_length_c [7.3300]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [K2TlHgSb2]
_chemical_formula_sum '[K8 Tl4 Hg4 Sb8]'
_cell_volume [853.6214]
_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
[
  K  K0  8  0.2445  0.3361  0.5000  1.0
  Tl  Tl1  4  0.0000  0.0000  0.2500  1.0
  Hg  Hg2  4  0.0000  0.5000  0.2500  1.0
  Sb  Sb3  8  0.2405  0.3954  0.0000  1.0
]