data_[Ag8Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.9394]
_cell_length_b [5.7128]
_cell_length_c [4.9477]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.8520]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Ag2Ir]
_chemical_formula_sum '[Ag8 Ir4]'
_cell_volume [191.2311]
_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
[
  Ag  Ag0  4  0.0050  0.6218  0.7400  1
  Ag  Ag1  4  0.3256  0.1252  0.5290  1
  Ir  Ir2  4  0.3471  0.6389  0.5178  1
]