data_[Na8Pb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.0263]
_cell_length_b [6.0273]
_cell_length_c [9.1023]
_cell_angle_alpha [82.7296]
_cell_angle_beta [70.8133]
_cell_angle_gamma [68.8453]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Na4PbO4]
_chemical_formula_sum '[Na8 Pb2 O8]'
_cell_volume [291.2011]
_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  2  0.0180  0.2628  0.4325  1.0
  Na  Na1  2  0.1141  0.7204  0.2041  1.0
  Na  Na2  2  0.2533  0.2467  0.0050  1.0
  Na  Na3  2  0.4334  0.2538  0.5906  1.0
  Pb  Pb4  2  0.3391  0.7255  0.7713  1.0
  O  O5  2  0.1176  0.5107  0.8055  1.0
  O  O6  2  0.1984  0.9902  0.6162  1.0
  O  O7  2  0.3132  0.4823  0.3768  1.0
  O  O8  2  0.3489  0.8422  0.9730  1.0
]