data_[K8Zn4Si2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [6.0888]
_cell_length_b [10.4064]
_cell_length_c [7.8451]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [K4Zn2SiGe]
_chemical_formula_sum '[K8 Zn4 Si2 Ge2]'
_cell_volume [497.0811]
_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  0.0000  0.1699  0.8576  1
  K  K1  4  0.5000  0.1708  0.1406  1
  Zn  Zn2  4  0.2518  0.0000  0.5026  1
  Si  Si3  2  0.5000  0.0000  0.7384  1
  Ge  Ge4  2  0.0000  0.0000  0.2600  1
]