data_[Na2In3Hg7]
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 [P2/m]
_cell_length_a [5.1496]
_cell_length_b [3.4861]
_cell_length_c [18.7081]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.1871]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2In3Hg7]
_chemical_formula_sum '[Na2 In3 Hg7]'
_cell_volume [333.8929]
_cell_formula_units_Z [1]
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  0.3356  0.5000  0.7098  1.0
  In  In1  2  0.2059  0.0000  0.3891  1.0
  In  In2  1  0.5000  0.5000  0.0000  1.0
  Hg  Hg3  2  0.1285  0.5000  0.1968  1.0
  Hg  Hg4  2  0.2686  0.5000  0.5471  1.0
  Hg  Hg5  2  0.3925  0.0000  0.8569  1.0
  Hg  Hg6  1  0.0000  0.0000  0.0000  1.0
]