data_CuTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.71
_cell_length_b   4.71
_cell_length_c   4.71
_cell_angle_alpha   32.62
_cell_angle_beta   32.62
_cell_angle_gamma   32.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuTc
_chemical_formula_sum   'Cu1 Tc1'
_cell_volume   26.96
_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
  Cu  Cu0  1  0.0  0.0  0.0  1.0
  Tc  Tc1  1  0.0  0.0  0.68  1.0

data_CuTc
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.58
_cell_length_b   2.64
_cell_length_c   4.71
_cell_angle_alpha   90.0
_cell_angle_beta   108.92
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   CuTc
_chemical_formula_sum   'Cu2 Tc2'
_cell_volume   53.91
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Cu  Cu0  2  0.0  0.0  0.0  1.0
  Tc  Tc1  2  0.0  0.0  0.32  1.0

Cu Tc
Cu Tc 0 1 o o - 
TcCu crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two TcCu clusters. Tc(1) is bonded in a single-bond geometry to one Cu(1) atom. The Tc(1)-Cu(1) bond length is 1.51 Å. Cu(1) is bonded in a single-bond geometry to one Tc(1) atom.