data_[Rb6Sn16Sb6]
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 [Immm]
_cell_length_a [4.7873]
_cell_length_b [13.4497]
_cell_length_c [15.2168]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Rb3Sn8Sb3]
_chemical_formula_sum '[Rb6 Sn16 Sb6]'
_cell_volume [979.7836]
_cell_formula_units_Z [2]
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  0.0000  0.0000  0.2165  1
  Rb  Rb1  2  0.0000  0.0000  0.5000  1
  Sn  Sn2  8  0.0000  0.2929  0.3299  1
  Sn  Sn3  8  0.0000  0.3338  0.1238  1
  Sb  Sb4  4  0.0000  0.1585  0.0000  1
  Sb  Sb5  2  0.0000  0.5000  0.5000  1
]