data_[Rb12Sn8Sb12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.0143]
_cell_length_b [14.2091]
_cell_length_c [18.0015]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Rb3Sn2Sb3]
_chemical_formula_sum '[Rb12 Sn8 Sb12]'
_cell_volume [1282.5942]
_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  8  0.0000  0.0748  0.6181  1.0
  Rb  Rb1  4  0.0000  0.3839  0.7500  1.0
  Sn  Sn2  8  0.0000  0.2374  0.0887  1.0
  Sb  Sb3  8  0.0000  0.3711  0.5459  1.0
  Sb  Sb4  4  0.0000  0.2976  0.2500  1.0
]