[CIF]
data_Ta2Nb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.92601715
_cell_length_b   5.92601715
_cell_length_c   7.19496577
_cell_angle_alpha   109.35786768
_cell_angle_beta   109.35786768
_cell_angle_gamma   28.24429021
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2Nb
_chemical_formula_sum   'Ta4 Nb2'
_cell_volume   112.37037196
_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
  Nb  Nb0  1  3.72224960  -0.00000000  4.69700142  1
  Nb  Nb1  1  5.31236997  0.00000000  2.06463814  1
  Ta  Ta2  1  7.49669735  -0.00000000  6.56891149  1
  Ta  Ta3  1  0.67576396  -0.00000000  4.32679239  1
  Ta  Ta4  1  8.35885561  -0.00000000  2.43484717  1
  Ta  Ta5  1  1.53792222  -0.00000000  0.19272806  1
[/CIF]
