data_[Cs4K2Ge4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  Ge  2.0100  1.2500  0.7700
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.2611]
_cell_length_b [5.4169]
_cell_length_c [8.4206]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.5685]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2K(GeTe2)2]
_chemical_formula_sum '[Cs4 K2 Ge4 Te8]'
_cell_volume [779.8460]
_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  0.1329  0.0000  0.5602  1.0
  K  K1  2  0.0000  0.0000  0.0000  1.0
  Ge  Ge2  4  0.1764  0.5000  0.0036  1.0
  Te  Te3  4  0.0404  0.5000  0.7493  1.0
  Te  Te4  4  0.2087  0.0000  0.1466  1.0
]