data_[Na6Cr2F14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cr  1.6600  1.4000  0.9400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [7.7084]
_cell_length_b [7.6002]
_cell_length_c [5.8507]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.4060]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Na3CrF7]
_chemical_formula_sum '[Na6 Cr2 F14]'
_cell_volume [304.2995]
_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
[
  Na  Na0  4  0.4816  0.2719  0.4774  1.0
  Na  Na1  2  0.4899  0.0000  0.0225  1.0
  Cr  Cr2  2  0.4882  0.5000  0.9808  1.0
  F  F3  4  0.1363  0.1732  0.2089  1.0
  F  F4  4  0.3436  0.3212  0.7611  1.0
  F  F5  2  0.0040  0.5000  0.4004  1.0
  F  F6  2  0.1428  0.0000  0.8012  1.0
  F  F7  2  0.3273  0.5000  0.1507  1.0
]