data_[Na4Y2I2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Y  1.2200  1.8000  1.0400
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.6467]
_cell_length_b [5.7447]
_cell_length_c [9.8433]
_cell_angle_alpha [90.0000]
_cell_angle_beta [125.1148]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2YIO6]
_chemical_formula_sum '[Na4 Y2 I2 O12]'
_cell_volume [261.1921]
_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
[
  Na  Na0  4  0.2589  0.5345  0.7512  1.0
  Y  Y1  2  0.5000  0.0000  0.0000  1.0
  I  I2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.1389  0.5282  0.2269  1.0
  O  O4  4  0.2300  0.2293  0.0493  1.0
  O  O5  4  0.3133  0.6870  0.0425  1.0
]