data_[Rb8Bi4Sb8]
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 [13.1537]
_cell_length_b [6.0859]
_cell_length_c [10.4666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.1239]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2BiSb2]
_chemical_formula_sum '[Rb8 Bi4 Sb8]'
_cell_volume [791.6393]
_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  0.0546  0.5000  0.8436  1.0
  Rb  Rb1  4  0.2189  0.0000  0.7586  1.0
  Bi  Bi2  4  0.1233  0.0000  0.3791  1.0
  Sb  Sb3  4  0.1136  0.0000  0.0830  1.0
  Sb  Sb4  4  0.1330  0.5000  0.5102  1.0
]