data_[Li2Cd1Hg1F1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [5.1269]
_cell_length_b [5.1269]
_cell_length_c [5.0502]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Li2CdHgF]
_chemical_formula_sum '[Li2 Cd1 Hg1 F1]'
_cell_volume [132.7433]
_cell_formula_units_Z [1]
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  2  0.0000  0.5000  0.0000  1
  Cd  Cd1  1  0.5000  0.5000  0.5000  1
  Hg  Hg2  1  0.0000  0.0000  0.0000  1
  F  F3  1  0.0000  0.0000  0.5000  1
]