data_[Na6Dy3Ga3I18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Dy  1.2200  1.7500  1.1310
  Ga  1.8100  1.3000  0.7600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [8.0388]
_cell_length_b [8.0388]
_cell_length_c [21.9374]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Na2DyGaI6]
_chemical_formula_sum '[Na6 Dy3 Ga3 I18]'
_cell_volume [1227.7135]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0070  1.0
  Na  Na1  3  0.0000  0.0000  0.5165  1.0
  Dy  Dy2  3  0.0000  0.0000  0.3271  1.0
  Ga  Ga3  3  0.0000  0.0000  0.8191  1.0
  I  I4  9  0.0275  0.3407  0.9177  1.0
  I  I5  9  0.0335  0.6698  0.0794  1.0
]