data_[Na1U1Hg1Cl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  U  1.3800  1.7500  0.9913
  Hg  2.0000  1.5000  1.2450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P312]
_cell_length_a [7.0902]
_cell_length_b [7.0902]
_cell_length_c [8.7300]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [149]
_chemical_formula_structural [NaUHgCl6]
_chemical_formula_sum '[Na1 U1 Hg1 Cl6]'
_cell_volume [380.0674]
_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  1  0.3333  0.6667  0.5000  1
  U  U1  1  0.6667  0.3333  0.5000  1
  Hg  Hg2  1  0.0000  0.0000  0.0000  1
  Cl  Cl3  6  0.3791  0.0362  0.6676  1
]