data_[Na4Sr2U2O12]
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
  U  1.3800  1.7500  0.9913
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.9298]
_cell_length_b [6.1172]
_cell_length_c [10.2657]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.4391]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2SrUO6]
_chemical_formula_sum '[Na4 Sr2 U2 O12]'
_cell_volume [307.1032]
_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  0.2663  0.0383  0.2649  1
  Sr  Sr1  2  0.5000  0.0000  0.0000  1
  U  U2  2  0.0000  0.0000  0.5000  1
  O  O3  4  0.1059  0.0819  0.7198  1
  O  O4  4  0.2351  0.7258  0.5792  1
  O  O5  4  0.3338  0.1613  0.5440  1
]