data_[Rb3Tl6Sb3Cl18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.9253]
_cell_length_b [7.9253]
_cell_length_c [20.1588]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [RbTl2SbCl6]
_chemical_formula_sum '[Rb3 Tl6 Sb3 Cl18]'
_cell_volume [1096.5487]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.8126  1.0
  Tl  Tl1  3  0.0000  0.0000  0.0204  1.0
  Tl  Tl2  3  0.0000  0.0000  0.5335  1.0
  Sb  Sb3  3  0.0000  0.0000  0.3231  1.0
  Cl  Cl4  9  0.0194  0.7490  0.4048  1.0
  Cl  Cl5  9  0.0624  0.3521  0.9193  1.0
]