data_[Rb6Tl8Sn4]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.3810]
_cell_length_b [5.2132]
_cell_length_c [10.4761]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.5328]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(Tl2Sn)2]
_chemical_formula_sum '[Rb6 Tl8 Sn4]'
_cell_volume [730.5863]
_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  0.1249  0.5000  0.3705  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.0788  0.0000  0.6638  1.0
  Tl  Tl3  4  0.1827  0.5000  0.0486  1.0
  Sn  Sn4  4  0.2095  0.5000  0.7595  1.0
]