data_[Na4In12Hg2]
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 [15.2377]
_cell_length_b [5.6604]
_cell_length_c [5.8922]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.6756]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2In6Hg]
_chemical_formula_sum '[Na4 In12 Hg2]'
_cell_volume [489.3069]
_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  4  0.0605  0.0000  0.2932  1
  In  In1  4  0.1048  0.5000  0.0145  1
  In  In2  4  0.1807  0.0000  0.8795  1
  In  In3  4  0.2104  0.5000  0.5665  1
  Hg  Hg4  2  0.0000  0.5000  0.5000  1
]