data_[Rb12Sb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.1732]
_cell_length_b [11.0554]
_cell_length_c [7.8439]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.2413]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3SbO3]
_chemical_formula_sum '[Rb12 Sb4 O12]'
_cell_volume [699.5574]
_cell_formula_units_Z [4]
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  4  0.0000  0.1922  0.5000  1.0
  Rb  Rb1  4  0.0000  0.2078  0.0000  1.0
  Rb  Rb2  4  0.1834  0.5000  0.6514  1.0
  Sb  Sb3  4  0.2198  0.5000  0.1726  1.0
  O  O4  8  0.1494  0.3634  0.3046  1.0
  O  O5  4  0.0368  0.0000  0.7580  1.0
]