data_[K2Na4Ir2N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Ir  2.2000  1.3500  0.7650
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pnnm]
_cell_length_a [5.6500]
_cell_length_b [9.9400]
_cell_length_c [4.4021]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [58]
_chemical_formula_structural [KNa2IrN2]
_chemical_formula_sum '[K2 Na4 Ir2 N4]'
_cell_volume [247.2283]
_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
[
  K  K0  2  0.0000  0.5000  0.0000  1.0
  Na  Na1  4  0.0453  0.2147  0.5000  1.0
  Ir  Ir2  2  0.0000  0.0000  0.0000  1.0
  N  N3  4  0.2138  0.1335  0.0000  1.0
]