data_[Rb16Bi4Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [21.7584]
_cell_length_b [6.3185]
_cell_length_c [8.9742]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.8403]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb8Bi2Sb]
_chemical_formula_sum '[Rb16 Bi4 Sb2]'
_cell_volume [1145.2186]
_cell_formula_units_Z [2]
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  0.0188  0.0000  0.7783  1.0
  Rb  Rb1  4  0.1074  0.5000  0.4298  1.0
  Rb  Rb2  4  0.1625  0.5000  0.9375  1.0
  Rb  Rb3  4  0.2005  0.0000  0.2776  1.0
  Bi  Bi4  4  0.1769  0.0000  0.6770  1.0
  Sb  Sb5  2  0.0000  0.5000  0.0000  1.0
]