data_[Cs2Rb4Cu4F14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.2557]
_cell_length_b [4.2557]
_cell_length_c [22.1877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [CsRb2Cu2F7]
_chemical_formula_sum '[Cs2 Rb4 Cu4 F14]'
_cell_volume [401.8344]
_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
[
  Cs  Cs0  2  0.0000  0.0000  0.0000  1.0
  Rb  Rb1  4  0.0000  0.0000  0.1849  1.0
  Cu  Cu2  4  0.0000  0.0000  0.4046  1.0
  F  F3  8  0.0000  0.5000  0.0975  1.0
  F  F4  4  0.0000  0.0000  0.3143  1.0
  F  F5  2  0.0000  0.0000  0.5000  1.0
]