data_[Na4Hg2H6Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hg  2.0000  1.5000  1.2450
  H  2.2000  0.2500  0.0000
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5778]
_cell_length_b [5.3912]
_cell_length_c [12.5605]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Na2HgH3Pt]
_chemical_formula_sum '[Na4 Hg2 H6 Pt2]'
_cell_volume [242.2735]
_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  0.0000  0.0000  0.3102  1
  Hg  Hg1  2  0.0000  0.5000  0.0000  1
  H  H2  4  0.0000  0.0000  0.1335  1
  H  H3  2  0.0000  0.5000  0.5000  1
  Pt  Pt4  2  0.0000  0.0000  0.0000  1
]