data_[Mg4Sn2Ir2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.2967]
_cell_length_b [5.3946]
_cell_length_c [9.3415]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.3775]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Mg2SnIrO6]
_chemical_formula_sum '[Mg4 Sn2 Ir2 O12]'
_cell_volume [220.2989]
_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
[
  Mg  Mg0  4  0.2514  0.0452  0.2553  1
  Sn  Sn1  2  0.0000  0.0000  0.5000  1
  Ir  Ir2  2  0.5000  0.0000  0.0000  1
  O  O3  4  0.1233  0.0859  0.7546  1
  O  O4  4  0.2544  0.6728  0.5758  1
  O  O5  4  0.4014  0.1768  0.5651  1
]