data_Co2TcNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.55
_cell_length_b   2.55
_cell_length_c   7.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.21
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Co2TcNi
_chemical_formula_sum   'Co2 Tc1 Ni1'
_cell_volume   47.14
_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
  Co  Co0  1  0.0  0.0  0.12  1.0
  Co  Co1  1  0.79  0.0  0.47  1.0
  Tc  Tc3  1  0.79  0.0  0.8  1.0
  Ni  Ni2  1  0.0  0.0  0.71  1.0

data_Co2TcNi
_symmetry_space_group_name_H-M   Pm
_cell_length_a   2.55
_cell_length_b   2.55
_cell_length_c   7.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Co2TcNi
_chemical_formula_sum   'Co2 Tc1 Ni1'
_cell_volume   47.15
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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
  Co  Co0  1  0.0  0.0  0.12  1.0
  Co  Co1  1  0.79  0.0  0.47  1.0
  Tc  Tc2  1  0.79  0.0  0.8  1.0
  Ni  Ni3  1  0.0  0.0  0.71  1.0

Co Co Tc Ni
TcCo2Ni crystallizes in the monoclinic Pm space group. Tc(1) is bonded in a distorted single-bond geometry to one Co(1) and one Ni(1) atom. The Tc(1)-Co(1) bond length is 2.38 Å. The Tc(1)-Ni(1) bond length is 0.81 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one Tc(1), one Co(2), and four equivalent Co(1) atoms to form a mixture of distorted edge and corner-sharing CoCo5Tc octahedra. The corner-sharing octahedra are not tilted. The Co(1)-Co(2) bond length is 2.58 Å. All Co(1)-Co(1) bond lengths are 2.55 Å. In the second Co site, Co(2) is bonded in a distorted single-bond geometry to one Co(1) and one Ni(1) atom. The Co(2)-Ni(1) bond length is 1.87 Å. Ni(1) is bonded in a distorted single-bond geometry to one Tc(1) and one Co(2) atom.