data_[Rb6Y3Ga3I18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Y  1.2200  1.8000  1.0400
  Ga  1.8100  1.3000  0.7600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [8.7421]
_cell_length_b [8.7421]
_cell_length_c [21.4567]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Rb2YGaI6]
_chemical_formula_sum '[Rb6 Y3 Ga3 I18]'
_cell_volume [1420.1348]
_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
[
  Rb  Rb0  3  0.0000  0.0000  0.4554  1
  Rb  Rb1  3  0.0000  0.0000  0.9624  1
  Y  Y2  3  0.0000  0.0000  0.6789  1
  Ga  Ga3  3  0.0000  0.0000  0.1825  1
  I  I4  9  0.0134  0.4260  0.4248  1
  I  I5  9  0.0930  0.7384  0.2616  1
]