data_[Na2Se2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [4.5786]
_cell_length_b [6.2412]
_cell_length_c [6.8695]
_cell_angle_alpha [105.3181]
_cell_angle_beta [100.8017]
_cell_angle_gamma [107.4949]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [NaSeO3]
_chemical_formula_sum '[Na2 Se2 O6]'
_cell_volume [172.8081]
_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  1  0.0164  0.7715  0.6897  1
  Na  Na1  1  0.3430  0.3792  0.1230  1
  Se  Se2  1  0.1538  0.8859  0.2434  1
  Se  Se3  1  0.3193  0.3098  0.6495  1
  O  O4  1  0.0085  0.9553  0.0369  1
  O  O5  1  0.1935  0.4931  0.8033  1
  O  O6  1  0.4784  0.1673  0.7836  1
  O  O7  1  0.5264  0.4409  0.5102  1
  O  O8  1  0.9210  0.6149  0.2283  1
  O  O9  1  0.9849  0.0711  0.4539  1
]