data_Mn2TcGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.7
_cell_length_b   4.7
_cell_length_c   4.7
_cell_angle_alpha   135.46
_cell_angle_beta   135.46
_cell_angle_gamma   64.82
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn2TcGe
_chemical_formula_sum   'Mn2 Tc1 Ge1'
_cell_volume   50.46
_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
  Mn  Mn1  1  0.0  0.78  0.99  1.0
  Mn  Mn2  1  0.0  0.0  0.0  1.0
  Tc  Tc3  1  0.78  0.0  0.99  1.0
  Ge  Ge0  1  0.0  0.0  0.97  1.0

data_Mn2TcGe
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.04
_cell_length_b   5.04
_cell_length_c   4.7
_cell_angle_alpha   90.0
_cell_angle_beta   122.41
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Mn2TcGe
_chemical_formula_sum   'Mn4 Tc2 Ge2'
_cell_volume   100.92
_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
  Mn  Mn0  2  0.2  0.0  0.2  1.0
  Mn  Mn1  2  0.49  0.5  0.0  1.0
  Tc  Tc2  2  0.49  0.5  0.2  1.0
  Ge  Ge3  2  0.48  0.5  0.97  1.0

Mn Mn Tc Ge
Mn Mn Tc Ge 0 1 o + + 0 3 o + o 0 2 - + o 1 3 o o - 1 2 - o - 2 3 + o o 
TcMn2Ge crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one TcMn2Ge cluster. Tc(1) is bonded in a 2-coordinate geometry to one Mn(1) and one Mn(2) atom. The Tc(1)-Mn(1) bond length is 1.10 Å. The Tc(1)-Mn(2) bond length is 0.97 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 2-coordinate geometry to one Tc(1) and one Mn(2) atom. The Mn(1)-Mn(2) bond length is 0.97 Å. In the second Mn site, Mn(2) is bonded in a distorted single-bond geometry to one Tc(1), one Mn(1), and one Ge(1) atom. The Mn(2)-Ge(1) bond length is 0.14 Å. Ge(1) is bonded in a single-bond geometry to one Mn(2) atom.