data_[Rb1V1Fe2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  V  1.6300  1.3500  0.7775
  Fe  1.8300  1.4000  0.8525
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.1188]
_cell_length_b [5.3120]
_cell_length_c [7.5188]
_cell_angle_alpha [78.3568]
_cell_angle_beta [80.2479]
_cell_angle_gamma [77.6326]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbVFe2F8]
_chemical_formula_sum '[Rb1 V1 Fe2 F8]'
_cell_volume [193.8826]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  V  V1  1  0.0000  0.0000  0.0000  1.0
  Fe  Fe2  2  0.4457  0.4560  0.7292  1.0
  F  F3  2  0.1989  0.7675  0.1985  1.0
  F  F4  2  0.2258  0.7818  0.8174  1.0
  F  F5  2  0.2568  0.2336  0.9510  1.0
  F  F6  2  0.3782  0.3154  0.5075  1.0
]