data_[Rb3Bi6W3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [6.3469]
_cell_length_b [6.3469]
_cell_length_c [15.2885]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [RbBi2WO6]
_chemical_formula_sum '[Rb3 Bi6 W3 O18]'
_cell_volume [533.3510]
_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  0.5086  1
  Bi  Bi1  3  0.0000  0.0000  0.2582  1
  Bi  Bi2  3  0.0000  0.0000  0.7965  1
  W  W3  3  0.0000  0.0000  0.0059  1
  O  O4  9  0.0439  0.2579  0.9082  1
  O  O5  9  0.0863  0.6925  0.7280  1
]