data_[Na4Pa4Ir4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pa  1.5000  1.8000  1.0400
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.6457]
_cell_length_b [6.7772]
_cell_length_c [11.6663]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [NaPaIrO4]
_chemical_formula_sum '[Na4 Pa4 Ir4 O16]'
_cell_volume [446.3787]
_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  0.2500  0.1798  1
  Pa  Pa1  4  0.0000  0.0000  0.5000  1
  Ir  Ir2  4  0.2500  0.2500  0.7500  1
  O  O3  8  0.0000  0.0549  0.6936  1
  O  O4  8  0.2272  0.2500  0.4645  1
]