data_[K2Mg2Cd4Hg16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Mg  1.3100  1.5000  0.8600
  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 [10.3777]
_cell_length_b [6.9206]
_cell_length_c [10.6491]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.2432]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KMg(CdHg4)2]
_chemical_formula_sum '[K2 Mg2 Cd4 Hg16]'
_cell_volume [673.7637]
_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  2  0.0000  0.5000  0.5000  1.0
  Mg  Mg1  2  0.0000  0.0000  0.0000  1.0
  Cd  Cd2  4  0.1359  0.0000  0.7951  1.0
  Hg  Hg3  8  0.1303  0.2646  0.2382  1.0
  Hg  Hg4  4  0.1511  0.0000  0.4956  1.0
  Hg  Hg5  4  0.1677  0.5000  0.8909  1.0
]