data_[K4Cd6Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.9851]
_cell_length_b [5.0068]
_cell_length_c [7.9965]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.2105]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Cd3Hg2]
_chemical_formula_sum '[K4 Cd6 Hg4]'
_cell_volume [437.6470]
_cell_formula_units_Z [2]
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  0.1491  0.0000  0.7788  1.0
  Cd  Cd1  4  0.1041  0.5000  0.4280  1.0
  Cd  Cd2  2  0.0000  0.5000  0.0000  1.0
  Hg  Hg3  4  0.1475  0.0000  0.2365  1.0
]