data_[Sr2Ni4Ir4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ni  1.9100  1.3500  0.7400
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.0153]
_cell_length_b [17.2309]
_cell_length_c [4.0467]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [SrNi2Ir2O7]
_chemical_formula_sum '[Sr2 Ni4 Ir4 O14]'
_cell_volume [279.9788]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.0160  1
  Ni  Ni1  4  0.0000  0.2499  0.4787  1
  Ir  Ir2  4  0.0000  0.3874  0.9999  1
  O  O3  4  0.0000  0.1204  0.4773  1
  O  O4  4  0.0000  0.2679  0.9771  1
  O  O5  4  0.0000  0.3704  0.4939  1
  O  O6  2  0.0000  0.5000  0.1309  1
]