data_[K6Zn3Ge3F18]
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
  Ge  2.0100  1.2500  0.7700
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.0715]
_cell_length_b [6.0715]
_cell_length_c [14.7029]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [K2ZnGeF6]
_chemical_formula_sum '[K6 Zn3 Ge3 F18]'
_cell_volume [469.3721]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.2492  1.0
  Zn  Zn1  3  0.0000  0.0000  0.0000  1.0
  Ge  Ge2  3  -0.0000  0.0000  0.5000  1.0
  F  F3  18  0.0138  0.5518  0.7474  1.0
]