data_[K2Rb2Zn2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Zn  1.6500  1.3500  0.8800
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.1156]
_cell_length_b [8.2946]
_cell_length_c [10.1269]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0880]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KRbZnI4]
_chemical_formula_sum '[K2 Rb2 Zn2 I8]'
_cell_volume [648.0092]
_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  2  0.2280  0.2500  0.5546  1.0
  Rb  Rb1  2  0.2616  0.2500  0.0664  1.0
  Zn  Zn2  2  0.2171  0.7500  0.3062  1.0
  I  I3  4  0.0023  0.0013  0.2513  1.0
  I  I4  2  0.4043  0.7500  0.5709  1.0
  I  I5  2  0.4077  0.7500  0.1350  1.0
]