data_[Na16In2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  In  1.7800  1.5500  0.9400
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.1224]
_cell_length_b [14.4898]
_cell_length_c [5.6700]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.9909]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na8InHg2]
_chemical_formula_sum '[Na16 In2 Hg4]'
_cell_volume [704.3093]
_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  8  0.1957  0.1188  0.1016  1.0
  Na  Na1  4  0.0000  0.2253  0.5000  1.0
  Na  Na2  4  0.1209  0.5000  0.3142  1.0
  In  In3  2  0.0000  0.0000  0.5000  1.0
  Hg  Hg4  4  0.0000  0.3149  0.0000  1.0
]