data_[K4Tl16Hg4Pb4]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.2269]
_cell_length_b [6.6534]
_cell_length_c [13.0356]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.7363]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KTl4HgPb]
_chemical_formula_sum '[K4 Tl16 Hg4 Pb4]'
_cell_volume [927.4338]
_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  4  0.0170  0.0000  0.3449  1.0
  Tl  Tl1  8  0.1877  0.2545  0.1705  1.0
  Tl  Tl2  4  0.0943  0.5000  0.9134  1.0
  Tl  Tl3  4  0.1141  0.5000  0.6201  1.0
  Hg  Hg4  4  0.0991  0.0000  0.9318  1.0
  Pb  Pb5  4  0.2036  0.5000  0.4084  1.0
]