[CIF]
data_Na2NbBr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.21478227
_cell_length_b   10.21478227
_cell_length_c   10.21478227
_cell_angle_alpha   18.39921083
_cell_angle_beta   18.39921083
_cell_angle_gamma   18.39921083
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2NbBr
_chemical_formula_sum   'Na2 Nb1 Br1'
_cell_volume   92.74839351
_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
  Br  Br0  1  -0.00000000  -0.00000000  -0.00000000  1
  Na  Na1  1  0.00000000  -0.00000000  7.91602258  1
  Na  Na2  1  -0.00000000  0.00000000  22.20162186  1
  Nb  Nb3  1  -0.00000000  -0.00000000  15.05882222  1
[/CIF]
