data_[Na4In4Sn4Hg2]
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
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2845]
_cell_length_b [3.8123]
_cell_length_c [8.3132]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.0274]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2In2Sn2Hg]
_chemical_formula_sum '[Na4 In4 Sn4 Hg2]'
_cell_volume [385.5082]
_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  0.0689  0.5000  0.7126  1.0
  In  In1  4  0.2002  0.5000  0.1273  1.0
  Sn  Sn2  4  0.1618  0.0000  0.4210  1.0
  Hg  Hg3  2  0.0000  0.0000  0.0000  1.0
]