data_[Li4Mg4Cd8Hg16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  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 [F222]
_cell_length_a [6.4965]
_cell_length_b [10.0084]
_cell_length_c [11.9944]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [22]
_chemical_formula_structural [LiMg(CdHg2)2]
_chemical_formula_sum '[Li4 Mg4 Cd8 Hg16]'
_cell_volume [779.8665]
_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
[
  Li  Li0  4  0.2500  0.2500  0.7500  1.0
  Mg  Mg1  4  0.0000  0.0000  0.5000  1.0
  Cd  Cd2  4  0.0000  0.0000  0.0000  1.0
  Cd  Cd3  4  0.2500  0.2500  0.2500  1.0
  Hg  Hg4  8  0.0000  0.0000  0.2550  1.0
  Hg  Hg5  8  0.2500  0.2500  0.5125  1.0
]