data_[Rb16O4F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.8382]
_cell_length_b [12.2859]
_cell_length_c [7.2461]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.6751]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb8O2F]
_chemical_formula_sum '[Rb16 O4 F2]'
_cell_volume [1229.4070]
_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
[
  Rb  Rb0  8  0.0985  0.1568  0.7721  1
  Rb  Rb1  4  0.1328  0.5000  0.2786  1
  Rb  Rb2  4  0.1781  0.0000  0.2672  1
  O  O3  4  0.1860  0.0000  0.6207  1
  F  F4  2  0.0000  0.0000  0.0000  1
]