data_[Mg3Bi3Rh6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  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 [5.4577]
_cell_length_b [5.4577]
_cell_length_c [13.8191]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [MgBi(RhO3)2]
_chemical_formula_sum '[Mg3 Bi3 Rh6 O18]'
_cell_volume [356.4735]
_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
[
  Mg  Mg0  3  0.0000  0.0000  0.1910  1.0
  Bi  Bi1  3  0.0000  0.0000  0.7026  1.0
  Rh  Rh2  3  0.0000  0.0000  0.4843  1.0
  Rh  Rh3  3  0.0000  0.0000  0.9809  1.0
  O  O4  9  0.0203  0.7108  0.5782  1.0
  O  O5  9  0.0300  0.4115  0.7484  1.0
]