data_[Na3Bi6Rh3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  Rh  2.2800  1.3500  0.7450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.6759]
_cell_length_b [5.6759]
_cell_length_c [15.2980]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [NaBi2RhO6]
_chemical_formula_sum '[Na3 Bi6 Rh3 O18]'
_cell_volume [426.8086]
_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  0.1987  1.0
  Bi  Bi1  3  0.0000  0.0000  0.4706  1.0
  Bi  Bi2  3  0.0000  0.0000  0.9861  1.0
  Rh  Rh3  3  0.0000  0.0000  0.6742  1.0
  O  O4  9  0.0026  0.7232  0.5922  1.0
  O  O5  9  0.0073  0.3819  0.4107  1.0
]