data_[Na4Tl2In2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.1518]
_cell_length_b [8.3418]
_cell_length_c [8.1900]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2TlInHg2]
_chemical_formula_sum '[Na4 Tl2 In2 Hg4]'
_cell_volume [351.9657]
_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  2  0.0000  0.1832  0.3519  1.0
  Na  Na1  2  0.5000  0.1320  0.0096  1.0
  Tl  Tl2  2  0.0000  0.4455  0.0332  1.0
  In  In3  2  0.5000  0.2639  0.6073  1.0
  Hg  Hg4  2  0.0000  0.1719  0.7608  1.0
  Hg  Hg5  2  0.5000  0.4212  0.2828  1.0
]