data_[Cs2K4Nb2Te8]
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
  Nb  1.6000  1.4500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [8.9459]
_cell_length_b [8.9459]
_cell_length_c [9.7178]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [CsK2NbTe4]
_chemical_formula_sum '[Cs2 K4 Nb2 Te8]'
_cell_volume [777.7106]
_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  0.0000  0.0000  0.0000  1.0
  K  K1  4  0.0000  0.5000  0.2500  1.0
  Nb  Nb2  2  0.0000  0.0000  0.5000  1.0
  Te  Te3  8  0.1724  0.1724  0.6514  1.0
]