data_[Na8Hf4S4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hf  1.3000  1.5500  0.8500
  S  2.5800  1.0000  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.8475]
_cell_length_b [10.6244]
_cell_length_c [6.4595]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.1732]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2HfSO2]
_chemical_formula_sum '[Na8 Hf4 S4 O8]'
_cell_volume [374.2177]
_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  0.3114  0.5000  1
  Na  Na1  2  0.0000  0.0000  0.5000  1
  Na  Na2  2  0.0000  0.5000  0.0000  1
  Hf  Hf3  4  0.0000  0.1879  0.0000  1
  S  S4  4  0.2379  0.0000  0.2451  1
  O  O5  8  0.2345  0.1922  0.8119  1
]