[CIF]
data_Ta3Nb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.91074965
_cell_length_b   5.91074965
_cell_length_c   5.91074965
_cell_angle_alpha   151.63233233
_cell_angle_beta   58.61538142
_cell_angle_gamma   129.85624927
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta3Nb
_chemical_formula_sum   'Ta3 Nb1'
_cell_volume   74.79054810
_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
  Nb  Nb0  1  0.00000000  0.00000000  0.00000000  1
  Ta  Ta1  1  1.44833371  2.58580852  0.83407933  1
  Ta  Ta2  1  -0.00000000  5.15419483  0.00166368  1
  Ta  Ta3  1  0.00000000  2.56838631  3.33878820  1
[/CIF]
