data_[Na6Li2Hg2]
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 [Pm]
_cell_length_a [6.8431]
_cell_length_b [5.1622]
_cell_length_c [8.5467]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2944]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [Na3LiHg]
_chemical_formula_sum '[Na6 Li2 Hg2]'
_cell_volume [289.7908]
_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
[
  Na  Na0  1  0.1720  0.5000  0.1516  1.0
  Na  Na1  1  0.2138  0.0000  0.7664  1.0
  Na  Na2  1  0.5120  0.0000  0.4892  1.0
  Na  Na3  1  0.8148  0.0000  0.9391  1.0
  Na  Na4  1  0.8319  0.5000  0.6251  1.0
  Na  Na5  1  0.9745  0.0000  0.3605  1.0
  Li  Li6  1  0.4870  0.0000  0.1308  1.0
  Li  Li7  1  0.4979  0.5000  0.8863  1.0
  Hg  Hg8  1  0.2784  0.5000  0.5546  1.0
  Hg  Hg9  1  0.6744  0.5000  0.2195  1.0
]