data_[Rb6Na4Tl2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.4830]
_cell_length_b [4.4905]
_cell_length_c [9.0235]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.2990]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3Na2TlCl6]
_chemical_formula_sum '[Rb6 Na4 Tl2 Cl12]'
_cell_volume [768.2856]
_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  0.1631  0.0000  0.8342  1.0
  Rb  Rb1  2  0.0000  0.5000  0.5000  1.0
  Na  Na2  4  0.1724  0.0000  0.3433  1.0
  Tl  Tl3  2  0.0000  0.5000  0.0000  1.0
  Cl  Cl4  4  0.0145  0.0000  0.2561  1.0
  Cl  Cl5  4  0.1683  0.5000  0.1120  1.0
  Cl  Cl6  4  0.1752  0.5000  0.5674  1.0
]