data_[Rb2Tl1F3]
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 [Pm]
_cell_length_a [3.8786]
_cell_length_b [7.7117]
_cell_length_c [20.5452]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [Rb2TlF3]
_chemical_formula_sum '[Rb2 Tl1 F3]'
_cell_volume [614.5194]
_cell_formula_units_Z [1]
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  1  0.4160  0.0000  0.4261  1
  Rb  Rb1  1  0.4164  0.5000  0.4163  1
  Tl  Tl2  1  0.2427  0.5000  0.6214  1
  F  F3  2  0.9161  0.2507  0.4250  1
  F  F4  1  0.7451  0.5000  0.6862  1
]