data_[Rb4Ce2Tl2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ce  1.1200  1.8500  1.0800
  Tl  1.6200  1.9000  1.3325
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.7605]
_cell_length_b [7.0055]
_cell_length_c [11.6760]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.3949]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2CeTlF6]
_chemical_formula_sum '[Rb4 Ce2 Tl2 F12]'
_cell_volume [456.2968]
_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  0.2728  0.5492  0.7555  1.0
  Ce  Ce1  2  0.0000  0.0000  0.5000  1.0
  Tl  Tl2  2  0.5000  0.0000  0.0000  1.0
  F  F3  4  0.1069  0.5614  0.2225  1.0
  F  F4  4  0.2470  0.2352  0.0738  1.0
  F  F5  4  0.3247  0.6794  0.0494  1.0
]