data_[Rb4Ti4Zn4O4F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ti  1.5400  1.4000  0.8517
  Zn  1.6500  1.3500  0.8800
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [7.2919]
_cell_length_b [7.3242]
_cell_length_c [10.6650]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [RbTiZnOF5]
_chemical_formula_sum '[Rb4 Ti4 Zn4 O4 F20]'
_cell_volume [569.5897]
_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  4  0.0000  0.2500  0.6246  1.0
  Ti  Ti1  4  0.2500  0.2500  0.2500  1.0
  Zn  Zn2  4  0.0000  0.0000  0.0000  1.0
  O  O3  4  0.0000  0.2500  0.2843  1.0
  F  F4  16  0.2163  0.0588  0.1235  1.0
  F  F5  4  0.0000  0.2500  0.9249  1.0
]