data_[K2Ag2Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.6754]
_cell_length_b [10.0034]
_cell_length_c [2.6013]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [KAgIr2]
_chemical_formula_sum '[K2 Ag2 Ir4]'
_cell_volume [147.6832]
_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  0.0000  0.5000  1
  Ag  Ag1  2  0.0000  0.5000  0.5000  1
  Ir  Ir2  4  0.2500  0.2500  0.0000  1
]