data_[Na4Dy4U2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Dy  1.2200  1.7500  1.1310
  U  1.3800  1.7500  0.9913
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.9906]
_cell_length_b [10.4618]
_cell_length_c [5.9438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8521]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Dy2UO6]
_chemical_formula_sum '[Na4 Dy4 U2 O12]'
_cell_volume [352.5331]
_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  0.1725  0.0000  1
  Dy  Dy1  4  0.0000  0.3343  0.5000  1
  U  U2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.2217  0.1713  0.6995  1
  O  O4  4  0.2495  0.5000  0.6948  1
]