data_[Rb6Cr2F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cr  1.6600  1.4000  0.9400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [6.3949]
_cell_length_b [6.3949]
_cell_length_c [9.3173]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Rb3CrF6]
_chemical_formula_sum '[Rb6 Cr2 F12]'
_cell_volume [381.0314]
_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  4  0.0000  0.5000  0.2500  1.0
  Rb  Rb1  2  0.0000  0.0000  0.5000  1.0
  Cr  Cr2  2  0.0000  0.0000  0.0000  1.0
  F  F3  8  0.1413  0.7290  0.0000  1.0
  F  F4  4  0.0000  0.0000  0.2105  1.0
]