data_[Rb4Ce4Ag2S12]
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
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.8792]
_cell_length_b [12.4127]
_cell_length_c [8.1379]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.8516]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ce2AgS6]
_chemical_formula_sum '[Rb4 Ce4 Ag2 S12]'
_cell_volume [671.6718]
_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  0.0000  0.1564  0.0000  1
  Ce  Ce1  4  0.0000  0.3342  0.5000  1
  Ag  Ag2  2  0.0000  0.0000  0.5000  1
  S  S3  8  0.2372  0.1795  0.6935  1
  S  S4  4  0.2429  0.5000  0.6722  1
]