data_[Rb6Ce2F12]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.7668]
_cell_length_b [7.0220]
_cell_length_c [11.6898]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.4177]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb3CeF6]
_chemical_formula_sum '[Rb6 Ce2 F12]'
_cell_volume [458.2123]
_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  0.2735  0.5505  0.2559  1.0
  Rb  Rb1  2  0.5000  0.0000  0.5000  1.0
  Ce  Ce2  2  0.0000  0.0000  0.0000  1.0
  F  F3  4  0.1035  0.5629  0.7216  1.0
  F  F4  4  0.2460  0.2347  0.5753  1.0
  F  F5  4  0.3262  0.6776  0.5510  1.0
]