data_[Rb16I4Cl8F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  I  2.6600  1.4000  1.2733
  Cl  3.1600  1.0000  0.7800
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [9.4674]
_cell_length_b [9.6603]
_cell_length_c [13.5663]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Rb4ICl2F]
_chemical_formula_sum '[Rb16 I4 Cl8 F4]'
_cell_volume [1240.7444]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  8  0.0000  0.0181  0.2933  1
  Rb  Rb1  8  0.2402  0.2500  0.0094  1
  I  I2  4  0.2500  0.2500  0.7500  1
  Cl  Cl3  4  0.0000  0.0000  0.0000  1
  Cl  Cl4  4  0.2500  0.2500  0.2500  1
  F  F5  4  0.0000  0.0000  0.5000  1
]