data_[Rb4Na4Ce2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.0177]
_cell_length_b [4.3555]
_cell_length_c [8.0280]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.6707]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Na2CeS4]
_chemical_formula_sum '[Rb4 Na4 Ce2 S8]'
_cell_volume [516.8092]
_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  0.1400  0.0000  0.5484  1.0
  Na  Na1  4  0.1782  0.5000  0.9734  1.0
  Ce  Ce2  2  0.0000  0.0000  0.0000  1.0
  S  S3  4  0.0010  0.5000  0.7761  1.0
  S  S4  4  0.1875  0.0000  0.1729  1.0
]