data_[Cs4Rb4Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.0339]
_cell_length_b [7.5641]
_cell_length_c [11.1524]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [CsRbSb2]
_chemical_formula_sum '[Cs4 Rb4 Sb8]'
_cell_volume [677.7238]
_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
[
  Cs  Cs0  4  0.0154  0.7500  0.2924  1.0
  Rb  Rb1  4  0.0053  0.7500  0.7172  1.0
  Sb  Sb2  8  0.1736  0.5506  0.9974  1.0
]