data_[Rb8Sb8]
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
]
_symmetry_space_group_name_H-M [P2_12_12_1]
_cell_length_a [7.3631]
_cell_length_b [7.5097]
_cell_length_c [13.0372]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [19]
_chemical_formula_structural [RbSb]
_chemical_formula_sum '[Rb8 Sb8]'
_cell_volume [720.8891]
_cell_formula_units_Z [8]
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  0.0964  0.6004  0.4191  1.0
  Rb  Rb1  4  0.1685  0.8514  0.7912  1.0
  Sb  Sb2  4  0.0914  0.0555  0.5352  1.0
  Sb  Sb3  4  0.1699  0.6736  0.1181  1.0
]