data_[K4Na12Cd2Hg2]
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
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [9.2444]
_cell_length_b [11.4901]
_cell_length_c [7.8488]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [K2Na6CdHg]
_chemical_formula_sum '[K4 Na12 Cd2 Hg2]'
_cell_volume [833.6945]
_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  0.0000  0.2436  0.7464  1.0
  Na  Na1  4  0.0000  0.2485  0.2434  1.0
  Na  Na2  4  0.1969  0.5000  0.0698  1.0
  Na  Na3  4  0.1983  0.0000  0.4152  1.0
  Cd  Cd4  2  0.0000  0.5000  0.4157  1.0
  Hg  Hg5  2  0.0000  0.0000  0.0781  1.0
]