data_[Na2Ru2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ru  2.2000  1.3000  0.6610
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.7049]
_cell_length_b [5.1605]
_cell_length_c [5.4242]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.4847]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaRuF4]
_chemical_formula_sum '[Na2 Ru2 F8]'
_cell_volume [158.3285]
_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  2  0.5000  0.0000  0.5000  1.0
  Ru  Ru1  2  0.0000  0.0000  0.0000  1.0
  F  F2  4  0.1114  0.6728  0.1920  1.0
  F  F3  4  0.3198  0.1365  0.1224  1.0
]