data_[Na4Bi2F10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [12.8757]
_cell_length_b [3.8458]
_cell_length_c [5.6137]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.3512]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Na2BiF5]
_chemical_formula_sum '[Na4 Bi2 F10]'
_cell_volume [255.2065]
_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  0.2179  0.5000  0.6718  1.0
  Na  Na1  2  0.3714  0.0000  0.3927  1.0
  Bi  Bi2  2  0.0577  0.0000  0.9981  1.0
  F  F3  2  0.0604  0.5000  0.7588  1.0
  F  F4  2  0.1852  0.0000  0.4144  1.0
  F  F5  2  0.2274  0.0000  0.9719  1.0
  F  F6  2  0.3866  0.5000  0.6285  1.0
  F  F7  2  0.4936  0.0000  0.1636  1.0
]