data_[K8Te8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Te  2.1000  1.4000  1.2933
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.1470]
_cell_length_b [19.7151]
_cell_length_c [8.6024]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [K2Te2Pb]
_chemical_formula_sum '[K8 Te8 Pb4]'
_cell_volume [872.9137]
_cell_formula_units_Z [4]
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  0.0000  0.0385  0.2709  1.0
  K  K1  4  0.0000  0.1988  0.5950  1.0
  Te  Te2  4  0.0000  0.1775  0.0072  1.0
  Te  Te3  4  0.0000  0.4379  0.0672  1.0
  Pb  Pb4  4  0.0000  0.4067  0.4253  1.0
]