data_[Na4U2Zn4O12]
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
  Zn  1.6500  1.3500  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.4820]
_cell_length_b [9.2623]
_cell_length_c [5.8285]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6454]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2UZn2O6]
_chemical_formula_sum '[Na4 U2 Zn4 O12]'
_cell_volume [276.9451]
_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  0.1793  0.5000  1
  U  U1  2  0.0000  0.0000  0.0000  1
  Zn  Zn2  4  0.0000  0.3361  0.0000  1
  O  O3  8  0.2302  0.1676  0.2125  1
  O  O4  4  0.2500  0.5000  0.2067  1
]