data_[Rb6Cd18Sn18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cd  1.6900  1.5500  1.0900
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.2161]
_cell_length_b [8.2161]
_cell_length_c [25.3896]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Rb(CdSn)3]
_chemical_formula_sum '[Rb6 Cd18 Sn18]'
_cell_volume [1484.2841]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.3144  1
  Cd  Cd1  18  0.0561  0.8226  0.8863  1
  Sn  Sn2  18  0.0774  0.8247  0.4467  1
]