data_[K2Rb2Cd2F8]
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
  Cd  1.6900  1.5500  1.0900
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.4873]
_cell_length_b [4.4873]
_cell_length_c [13.8049]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [KRbCdF4]
_chemical_formula_sum '[K2 Rb2 Cd2 F8]'
_cell_volume [277.9793]
_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  0.0000  0.0000  0.3560  1.0
  Rb  Rb1  2  0.0000  0.0000  0.6461  1.0
  Cd  Cd2  2  0.0000  0.0000  0.0008  1.0
  F  F3  4  0.0000  0.5000  0.4969  1.0
  F  F4  2  0.0000  0.0000  0.1643  1.0
  F  F5  2  0.0000  0.0000  0.8391  1.0
]