data_[Rb4Ce6Cl16]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.8165]
_cell_length_b [8.1584]
_cell_length_c [6.7626]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.8696]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ce3Cl8]
_chemical_formula_sum '[Rb4 Ce6 Cl16]'
_cell_volume [900.7479]
_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  0.2359  0.5000  0.6700  1
  Ce  Ce1  4  0.0000  0.2259  0.0000  1
  Ce  Ce2  2  0.0000  0.0000  0.5000  1
  Cl  Cl3  8  0.1094  0.2363  0.3970  1
  Cl  Cl4  4  0.0958  0.5000  0.9205  1
  Cl  Cl5  4  0.1179  0.0000  0.8977  1
]