data_[Na4B2F10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  B  2.0400  0.8500  0.4100
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [6.4407]
_cell_length_b [6.5454]
_cell_length_c [4.9469]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.8870]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Na2BF5]
_chemical_formula_sum '[Na4 B2 F10]'
_cell_volume [208.4344]
_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  0.0433  0.2609  0.4345  1.0
  B  B1  2  0.3830  0.5000  0.9388  1.0
  F  F2  4  0.0044  0.1777  0.9305  1.0
  F  F3  2  0.2417  0.5000  0.7117  1.0
  F  F4  2  0.2750  0.5000  0.1881  1.0
  F  F5  2  0.2820  0.0000  0.4313  1.0
]