data_[Rb8In20Sn12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  In  1.7800  1.5500  0.9400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [12.1238]
_cell_length_b [14.9561]
_cell_length_c [7.3005]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Rb2In5Sn3]
_chemical_formula_sum '[Rb8 In20 Sn12]'
_cell_volume [1323.7712]
_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  0.2466  0.1251  0.5000  1
  In  In1  8  0.0000  0.2554  0.2500  1
  In  In2  8  0.1252  0.1265  0.0000  1
  In  In3  4  0.0000  0.5000  0.2500  1
  Sn  Sn4  8  0.1328  0.3778  0.5000  1
  Sn  Sn5  4  0.0000  0.0000  0.2500  1
]