data_[Na4Sr12Hg2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Hg  2.0000  1.5000  1.2450
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.8668]
_cell_length_b [9.0976]
_cell_length_c [14.1581]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.6907]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2Sr6HgPt]
_chemical_formula_sum '[Na4 Sr12 Hg2 Pt2]'
_cell_volume [871.3573]
_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  0.3452  0.5993  0.7448  1.0
  Sr  Sr1  4  0.1217  0.5221  0.2408  1.0
  Sr  Sr2  4  0.1898  0.2038  0.0395  1.0
  Sr  Sr3  4  0.3609  0.6686  0.0352  1.0
  Hg  Hg4  2  0.5000  0.0000  0.0000  1.0
  Pt  Pt5  2  0.0000  0.0000  0.5000  1.0
]