data_[Cs4Ce2Sn4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ce  1.1200  1.8500  1.0800
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.5297]
_cell_length_b [7.9276]
_cell_length_c [9.0411]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.7506]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Ce(SnSe3)2]
_chemical_formula_sum '[Cs4 Ce2 Sn4 Se12]'
_cell_volume [824.6043]
_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
[
  Cs  Cs0  4  0.2104  0.5000  0.2015  1
  Ce  Ce1  2  0.0000  0.5000  0.5000  1
  Sn  Sn2  4  0.0395  0.0000  0.1843  1
  Se  Se3  8  0.0532  0.2636  0.7768  1
  Se  Se4  4  0.2379  0.5000  0.6234  1
]