data_[Na1Si1P2Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Si  1.9000  1.1000  0.5400
  P  2.1900  1.0000  0.5500
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.0268]
_cell_length_b [4.0268]
_cell_length_c [7.6347]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [NaSi(PIr2)2]
_chemical_formula_sum '[Na1 Si1 P2 Ir4]'
_cell_volume [123.7997]
_cell_formula_units_Z [1]
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  0.0000  0.0000  0.5000  1.0
  Si  Si1  1  0.0000  0.0000  0.0000  1.0
  P  P2  2  0.5000  0.5000  0.3432  1.0
  Ir  Ir3  4  0.0000  0.5000  0.1926  1.0
]