data_[Cs2Ce2Ge2Se8]
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
  Ge  2.0100  1.2500  0.7700
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.9202]
_cell_length_b [7.1409]
_cell_length_c [9.9824]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4056]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsCeGeSe4]
_chemical_formula_sum '[Cs2 Ce2 Ge2 Se8]'
_cell_volume [468.0618]
_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  2  0.2563  0.2500  0.0613  1.0
  Ce  Ce1  2  0.2325  0.2500  0.5499  1.0
  Ge  Ge2  2  0.2137  0.7500  0.3312  1.0
  Se  Se3  4  0.0153  0.5095  0.7038  1.0
  Se  Se4  2  0.4142  0.7500  0.1790  1.0
  Se  Se5  2  0.4215  0.7500  0.5716  1.0
]