data_[K6Zn3Ge3Br18]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.6790]
_cell_length_b [7.6790]
_cell_length_c [23.2533]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [K2ZnGeBr6]
_chemical_formula_sum '[K6 Zn3 Ge3 Br18]'
_cell_volume [1187.4784]
_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  3  0.0000  0.0000  0.4810  1.0
  K  K1  3  0.0000  0.0000  0.9709  1.0
  Zn  Zn2  3  0.0000  0.0000  0.7387  1.0
  Ge  Ge3  3  0.0000  0.0000  0.1890  1.0
  Br  Br4  9  0.0073  0.3853  0.4090  1.0
  Br  Br5  9  0.0219  0.6150  0.9102  1.0
]