data_[K4Tb2Cu4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tb  1.1000  1.7500  0.9815
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.9204]
_cell_length_b [4.2715]
_cell_length_c [8.6314]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8462]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Tb(CuTe2)2]
_chemical_formula_sum '[K4 Tb2 Cu4 Te8]'
_cell_volume [555.5006]
_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
[
  K  K0  4  0.1311  0.0000  0.5531  1.0
  Tb  Tb1  2  0.0000  0.0000  0.0000  1.0
  Cu  Cu2  4  0.1827  0.5000  0.9892  1.0
  Te  Te3  4  0.0232  0.5000  0.7613  1.0
  Te  Te4  4  0.2044  0.0000  0.1826  1.0
]