data_[Rb2Tl4I2F4]
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
  I  2.6600  1.4000  1.2733
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.8306]
_cell_length_b [6.5856]
_cell_length_c [7.8966]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.1019]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTl2IF2]
_chemical_formula_sum '[Rb2 Tl4 I2 F4]'
_cell_volume [393.1584]
_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  0.1594  0.7500  0.9494  1
  Tl  Tl1  2  0.0901  0.7500  0.4349  1
  Tl  Tl2  2  0.3771  0.2500  0.3103  1
  I  I3  2  0.3501  0.2500  0.7598  1
  F  F4  4  0.1309  0.0049  0.2243  1
]