data_Ta7Co6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.03
_cell_length_b   9.03
_cell_length_c   9.03
_cell_angle_alpha   34.3
_cell_angle_beta   34.3
_cell_angle_gamma   34.3
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta7Co6
_chemical_formula_sum   'Ta7 Co6'
_cell_volume   208.27
_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
  Ta  Ta6  1  0.0  0.52  0.13  1.0
  Ta  Ta7  1  0.31  0.24  0.13  1.0
  Ta  Ta8  1  0.69  0.24  0.13  1.0
  Ta  Ta9  1  0.0  0.48  0.33  1.0
  Ta  Ta10  1  0.31  0.76  0.33  1.0
  Ta  Ta11  1  0.69  0.76  0.33  1.0
  Ta  Ta12  1  0.0  0.0  0.0  1.0
  Co  Co0  1  0.0  0.0  0.6  1.0
  Co  Co1  1  0.0  0.0  0.86  1.0
  Co  Co2  1  0.0  0.0  0.77  1.0
  Co  Co3  1  0.0  0.0  0.69  1.0
  Co  Co4  1  0.0  0.0  0.28  1.0
  Co  Co5  1  0.0  0.0  0.19  1.0

data_Ta7Co6
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.32
_cell_length_b   5.32
_cell_length_c   9.03
_cell_angle_alpha   72.85
_cell_angle_beta   72.85
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta7Co6
_chemical_formula_sum   'Ta7 Co6'
_cell_volume   208.27
_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
  Ta  Ta0  1  0.0  0.0  0.0  1.0
  Ta  Ta1  1  0.24  0.67  0.77  1.0
  Ta  Ta2  1  0.24  0.67  0.4  1.0
  Ta  Ta3  1  0.48  0.87  0.65  1.0
  Ta  Ta4  1  0.52  0.67  0.81  1.0
  Ta  Ta5  1  0.76  0.87  0.06  1.0
  Ta  Ta6  1  0.76  0.87  0.69  1.0
  Co  Co7  1  0.0  0.14  0.86  1.0
  Co  Co8  1  0.0  0.23  0.77  1.0
  Co  Co9  1  0.0  0.31  0.69  1.0
  Co  Co10  1  0.0  0.4  0.6  1.0
  Co  Co11  1  0.0  0.72  0.28  1.0
  Co  Co12  1  0.0  0.81  0.19  1.0

Ta Ta Ta Ta Ta Ta Ta Co Co Co Co Co Co
Ta Ta Ta Ta Ta Ta Ta Co Co Co Co Co Co 0 3 o o o 0 1 o o o 0 5 - o o 1 3 o o o 2 6 + o o 2 12 + o o 3 5 - o o 4 11 o + o 6 8 o o - 7 10 o o o 8 9 o o o 9 10 o o o 11 12 o o o 
Co6Ta7 crystallizes in the triclinic P1 space group. There are seven inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 2-coordinate geometry to one Ta(2), one Ta(4), and one Ta(6) atom. The Ta(1)-Ta(2) bond length is 1.61 Å. The Ta(1)-Ta(4) bond length is 1.51 Å. The Ta(1)-Ta(6) bond length is 1.94 Å. In the second Ta site, Ta(2) is bonded in a 4-coordinate geometry to one Ta(1), one Ta(4), one Ta(6), and one Co(1) atom. The Ta(2)-Ta(4) bond length is 1.94 Å. The Ta(2)-Ta(6) bond length is 2.50 Å. The Ta(2)-Co(1) bond length is 2.42 Å. In the third Ta site, Ta(3) is bonded in a 2-coordinate geometry to one Ta(7) and one Co(6) atom. The Ta(3)-Ta(7) bond length is 1.64 Å. The Ta(3)-Co(6) bond length is 1.83 Å. In the fourth Ta site, Ta(4) is bonded in a 2-coordinate geometry to one Ta(1), one Ta(2), and one Ta(6) atom. The Ta(4)-Ta(6) bond length is 1.61 Å. In the fifth Ta site, Ta(5) is bonded in a distorted L-shaped geometry to one Co(1) and one Co(5) atom. The Ta(5)-Co(1) bond length is 2.43 Å. The Ta(5)-Co(5) bond length is 1.83 Å. In the sixth Ta site, Ta(6) is bonded in a 4-coordinate geometry to one Ta(1), one Ta(2), one Ta(4), and one Co(2) atom. The Ta(6)-Co(2) bond length is 2.42 Å. In the seventh Ta site, Ta(7) is bonded in a 1-coordinate geometry to one Ta(3), one Co(2), and one Co(6) atom. The Ta(7)-Co(2) bond length is 1.26 Å. The Ta(7)-Co(6) bond length is 1.67 Å. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a 1-coordinate geometry to one Ta(2), one Ta(5), and one Co(4) atom. The Co(1)-Co(4) bond length is 0.84 Å. In the second Co site, Co(2) is bonded in a distorted linear geometry to one Ta(6), one Ta(7), and one Co(3) atom. The Co(2)-Co(3) bond length is 0.84 Å. In the third Co site, Co(3) is bonded in a linear geometry to one Co(2) and one Co(4) atom. The Co(3)-Co(4) bond length is 0.66 Å. In the fourth Co site, Co(4) is bonded in a linear geometry to one Co(1) and one Co(3) atom. In the fifth Co site, Co(5) is bonded in a bent 120 degrees geometry to one Ta(5) and one Co(6) atom. The Co(5)-Co(6) bond length is 0.81 Å. In the sixth Co site, Co(6) is bonded in a trigonal planar geometry to one Ta(3), one Ta(7), and one Co(5) atom.