data_[Rb2Tl4F6]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.6808]
_cell_length_b [11.1497]
_cell_length_c [7.1112]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [RbTl2F3]
_chemical_formula_sum '[Rb2 Tl4 F6]'
_cell_volume [291.8464]
_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  2  0.0000  0.0926  0.4758  1.0
  Tl  Tl1  2  0.0000  0.2483  0.0059  1.0
  Tl  Tl2  2  0.5000  0.4213  0.5447  1.0
  F  F3  2  0.0000  0.3385  0.3506  1.0
  F  F4  2  0.5000  0.0954  0.1326  1.0
  F  F5  2  0.5000  0.2273  0.6917  1.0
]