data_[Na4U2I8O30]
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
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [11.4669]
_cell_length_b [8.4527]
_cell_length_c [7.7444]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.0697]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [Na2UI4O15]
_chemical_formula_sum '[Na4 U2 I8 O30]'
_cell_volume [750.5013]
_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  2  0.0000  0.3606  0.0000  1
  Na  Na1  2  0.0000  0.8304  0.0000  1
  U  U2  2  0.0000  0.3524  0.5000  1
  I  I3  4  0.2224  0.0838  0.7690  1
  I  I4  4  0.2438  0.5909  0.7771  1
  O  O5  4  0.0656  0.3465  0.2829  1
  O  O6  4  0.1283  0.5738  0.9359  1
  O  O7  4  0.1332  0.1680  0.5883  1
  O  O8  4  0.1400  0.1582  0.9541  1
  O  O9  4  0.1490  0.5442  0.5694  1
  O  O10  4  0.1605  0.8862  0.7715  1
  O  O11  4  0.1879  0.8969  0.2116  1
  O  O12  2  0.0000  0.6076  0.5000  1
]