data_[Sm6Dy3I18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Dy  1.2200  1.7500  1.1310
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.6436]
_cell_length_b [7.6436]
_cell_length_c [21.3876]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Sm2DyI6]
_chemical_formula_sum '[Sm6 Dy3 I18]'
_cell_volume [1082.1542]
_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
[
  Sm  Sm0  3  0.0000  0.0000  0.3173  1.0
  Sm  Sm1  3  0.0000  0.0000  0.4809  1.0
  Dy  Dy2  3  0.0000  0.0000  0.6450  1.0
  I  I3  9  0.0140  0.6769  0.7316  1.0
  I  I4  9  0.0147  0.3462  0.5655  1.0
]