data_[Na4Cl4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.9682]
_cell_length_b [5.2693]
_cell_length_c [15.1195]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [NaClO]
_chemical_formula_sum '[Na4 Cl4 O4]'
_cell_volume [395.8119]
_cell_formula_units_Z [4]
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  0.0000  0.2339  1
  Cl  Cl1  4  0.0000  0.5000  0.1932  1
  O  O2  4  0.0000  0.1166  0.5000  1
]