data_[Na8Li4Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4003]
_cell_length_b [4.6953]
_cell_length_c [11.2510]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.3846]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2LiHg2]
_chemical_formula_sum '[Na8 Li4 Hg8]'
_cell_volume [524.7651]
_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
[
  Na  Na0  4  0.0092  0.0000  0.6759  1
  Na  Na1  4  0.1876  0.0000  0.1036  1
  Li  Li2  4  0.2128  0.5000  0.3688  1
  Hg  Hg3  4  0.0212  0.5000  0.8808  1
  Hg  Hg4  4  0.1473  0.5000  0.5739  1
]