data_Ta5Te3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.07
_cell_length_b   8.07
_cell_length_c   8.07
_cell_angle_alpha   97.18
_cell_angle_beta   97.18
_cell_angle_gamma   138.59
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta5Te3
_chemical_formula_sum   'Ta10 Te6'
_cell_volume   324.76
_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
  Ta  Ta0  1  0.0  0.34  0.43  1.0
  Ta  Ta1  1  0.34  0.0  0.43  1.0
  Ta  Ta2  1  0.08  0.7  0.0  1.0
  Ta  Ta3  1  0.25  0.64  0.85  1.0
  Ta  Ta4  1  0.75  0.64  0.0  1.0
  Ta  Ta5  1  0.59  0.7  0.85  1.0
  Ta  Ta6  1  0.03  0.75  0.0  1.0
  Ta  Ta7  1  0.3  0.59  0.85  1.0
  Ta  Ta8  1  0.64  0.75  0.85  1.0
  Ta  Ta9  1  0.7  0.59  0.0  1.0
  Te  Te10  1  0.0  0.0  0.43  1.0
  Te  Te11  1  0.0  0.0  0.28  1.0
  Te  Te12  1  0.86  0.48  0.85  1.0
  Te  Te13  1  0.48  0.86  0.0  1.0
  Te  Te14  1  0.86  0.19  0.0  1.0
  Te  Te15  1  0.48  0.14  0.85  1.0

data_Ta5Te3
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.7
_cell_length_b   8.07
_cell_length_c   8.07
_cell_angle_alpha   82.82
_cell_angle_beta   69.3
_cell_angle_gamma   69.3
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta5Te3
_chemical_formula_sum   'Ta10 Te6'
_cell_volume   324.76
_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
  Ta  Ta0  1  0.0  0.34  0.57  1.0
  Ta  Ta1  1  0.34  0.66  0.57  1.0
  Ta  Ta2  1  0.59  0.11  0.0  1.0
  Ta  Ta3  1  0.59  0.72  0.15  1.0
  Ta  Ta4  1  0.64  0.11  0.0  1.0
  Ta  Ta5  1  0.64  0.61  0.15  1.0
  Ta  Ta6  1  0.7  0.39  0.0  1.0
  Ta  Ta7  1  0.7  0.89  0.15  1.0
  Ta  Ta8  1  0.75  0.28  0.0  1.0
  Ta  Ta9  1  0.75  0.89  0.15  1.0
  Te  Te10  1  0.0  0.0  0.57  1.0
  Te  Te11  1  0.0  0.0  0.72  1.0
  Te  Te12  1  0.14  0.34  0.15  1.0
  Te  Te13  1  0.19  0.66  0.0  1.0
  Te  Te14  1  0.48  0.38  0.15  1.0
  Te  Te15  1  0.86  0.62  0.0  1.0

Ta Ta Ta Ta Ta Ta Ta Ta Ta Ta Te Te Te Te Te Te
Ta5Te3 crystallizes in the triclinic P1 space group. There are ten inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 3-coordinate geometry to one Te(1), one Te(2), and one Te(5) atom. The Ta(1)-Te(1) bond length is 2.71 Å. The Ta(1)-Te(2) bond length is 2.82 Å. The Ta(1)-Te(5) bond length is 3.24 Å. In the second Ta site, Ta(2) is bonded in a 3-coordinate geometry to one Te(1), one Te(2), and one Te(6) atom. The Ta(2)-Te(1) bond length is 2.71 Å. The Ta(2)-Te(2) bond length is 2.82 Å. The Ta(2)-Te(6) bond length is 3.24 Å. In the third Ta site, Ta(3) is bonded in a distorted L-shaped geometry to one Ta(7), one Te(3), one Te(5), and one Te(6) atom. The Ta(3)-Ta(7) bond length is 0.77 Å. The Ta(3)-Te(3) bond length is 1.40 Å. The Ta(3)-Te(5) bond length is 2.96 Å. The Ta(3)-Te(6) bond length is 3.06 Å. In the fourth Ta site, Ta(4) is bonded in a distorted L-shaped geometry to one Ta(8), one Te(4), and one Te(6) atom. The Ta(4)-Ta(8) bond length is 0.77 Å. The Ta(4)-Te(4) bond length is 1.40 Å. The Ta(4)-Te(6) bond length is 2.96 Å. In the fifth Ta site, Ta(5) is bonded in a single-bond geometry to one Ta(10) and one Te(2) atom. The Ta(5)-Ta(10) bond length is 0.29 Å. The Ta(5)-Te(2) bond length is 2.45 Å. In the sixth Ta site, Ta(6) is bonded in a distorted single-bond geometry to one Ta(9) atom. The Ta(6)-Ta(9) bond length is 0.29 Å. In the seventh Ta site, Ta(7) is bonded in a 1-coordinate geometry to one Ta(3) and one Te(6) atom. The Ta(7)-Te(6) bond length is 3.06 Å. In the eighth Ta site, Ta(8) is bonded in a 1-coordinate geometry to one Ta(4) and one Te(5) atom. The Ta(8)-Te(5) bond length is 3.06 Å. In the ninth Ta site, Ta(9) is bonded in a distorted single-bond geometry to one Ta(6) and one Te(5) atom. The Ta(9)-Te(5) bond length is 2.51 Å. In the tenth Ta site, Ta(10) is bonded in a single-bond geometry to one Ta(5) and one Te(6) atom. The Ta(10)-Te(6) bond length is 2.51 Å. There are six inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted T-shaped geometry to one Ta(1), one Ta(2), and one Te(2) atom. The Te(1)-Te(2) bond length is 1.19 Å. In the second Te site, Te(2) is bonded in a 2-coordinate geometry to one Ta(1), one Ta(2), one Ta(5), and one Te(1) atom. In the third Te site, Te(3) is bonded in a distorted single-bond geometry to one Ta(3) and one Te(6) atom. The Te(3)-Te(6) bond length is 2.06 Å. In the fourth Te site, Te(4) is bonded in a distorted single-bond geometry to one Ta(4), one Te(5), and one Te(6) atom. The Te(4)-Te(5) bond length is 2.06 Å. The Te(4)-Te(6) bond length is 2.73 Å. In the fifth Te site, Te(5) is bonded in a 5-coordinate geometry to one Ta(1), one Ta(3), one Ta(8), one Ta(9), one Te(4), and one Te(6) atom. The Te(5)-Te(6) bond length is 2.84 Å. In the sixth Te site, Te(6) is bonded in a 8-coordinate geometry to one Ta(10), one Ta(2), one Ta(3), one Ta(4), one Ta(7), one Te(3), one Te(4), and one Te(5) atom.