data_[K4Na2Tl1Hg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.9466]
_cell_length_b [8.3298]
_cell_length_c [8.3554]
_cell_angle_alpha [118.7125]
_cell_angle_beta [95.1520]
_cell_angle_gamma [102.5432]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K4Na2TlHg2]
_chemical_formula_sum '[K4 Na2 Tl1 Hg2]'
_cell_volume [403.1238]
_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
[
  K  K0  2  0.2639  0.1423  0.4788  1.0
  K  K1  2  0.4349  0.7309  0.9553  1.0
  Na  Na2  2  0.1454  0.5181  0.3367  1.0
  Tl  Tl3  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg4  2  0.0510  0.3098  0.8929  1.0
]