data_[Cu9Rh3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Rh  2.2800  1.3500  0.7450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.0767]
_cell_length_b [5.0767]
_cell_length_c [13.6306]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Cu3RhO6]
_chemical_formula_sum '[Cu9 Rh3 O18]'
_cell_volume [304.2382]
_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
[
  Cu  Cu0  3  0.0000  0.0000  0.3532  1.0
  Cu  Cu1  3  0.0000  0.0000  0.6444  1.0
  Cu  Cu2  3  0.0000  0.0000  0.8469  1.0
  Rh  Rh3  3  0.0000  0.0000  0.1528  1.0
  O  O4  9  0.0021  0.3069  0.7509  1.0
  O  O5  9  0.0329  0.6742  0.9167  1.0
]