data_[Rb4Ce2F16]
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 [C2/m]
_cell_length_a [13.8799]
_cell_length_b [4.6382]
_cell_length_c [6.3835]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.0646]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2CeF8]
_chemical_formula_sum '[Rb4 Ce2 F16]'
_cell_volume [375.2431]
_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  0.1771  0.0000  0.6722  1
  Ce  Ce1  2  0.0000  0.5000  0.0000  1
  F  F2  4  0.0152  0.0000  0.2084  1
  F  F3  4  0.1137  0.5000  0.3503  1
  F  F4  4  0.1260  0.5000  0.8865  1
  F  F5  4  0.1542  0.0000  0.1813  1
]