data_[Ni6Ag6Ir2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ni  1.9100  1.3500  0.7400
  Ag  1.9300  1.6000  1.0867
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.4907]
_cell_length_b [6.1249]
_cell_length_c [7.1939]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.4250]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ni3Ag3IrO8]
_chemical_formula_sum '[Ni6 Ag6 Ir2 O16]'
_cell_volume [398.5871]
_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
[
  Ni  Ni0  4  0.2500  0.2500  0.5000  1
  Ni  Ni1  2  0.0000  0.0000  0.5000  1
  Ag  Ag2  4  0.2500  0.2500  0.0000  1
  Ag  Ag3  2  0.0000  0.0000  0.0000  1
  Ir  Ir4  2  0.0000  0.5000  0.5000  1
  O  O5  8  0.1357  0.2572  0.6673  1
  O  O6  4  0.1000  0.5000  0.3403  1
  O  O7  4  0.1119  0.0000  0.3412  1
]