data_[Ca3Sb3Rh6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Sb  2.0500  1.4500  0.8300
  Rh  2.2800  1.3500  0.7450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.4347]
_cell_length_b [5.4347]
_cell_length_c [14.6080]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [CaSb(RhO3)2]
_chemical_formula_sum '[Ca3 Sb3 Rh6 O18]'
_cell_volume [373.6602]
_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
[
  Ca  Ca0  3  0.0000  0.0000  0.8055  1
  Sb  Sb1  3  0.0000  0.0000  0.3154  1
  Rh  Rh2  3  0.0000  0.0000  0.0119  1
  Rh  Rh3  3  0.0000  0.0000  0.5154  1
  O  O4  9  0.0281  0.3480  0.5917  1
  O  O5  9  0.0700  0.7017  0.0792  1
]