data_Mg2TcGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.16
_cell_length_b   5.16
_cell_length_c   5.16
_cell_angle_alpha   139.98
_cell_angle_beta   130.21
_cell_angle_gamma   65.71
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2TcGe
_chemical_formula_sum   'Mg2 Tc1 Ge1'
_cell_volume   66.54
_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
  Mg  Mg1  1  0.0  0.17  0.25  1.0
  Mg  Mg2  1  0.0  0.0  0.24  1.0
  Tc  Tc3  1  0.0  0.17  0.16  1.0
  Ge  Ge0  1  0.0  0.0  0.35  1.0

data_Mg2TcGe
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.53
_cell_length_b   4.35
_cell_length_c   5.16
_cell_angle_alpha   114.89
_cell_angle_beta   110.01
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2TcGe
_chemical_formula_sum   'Mg2 Tc1 Ge1'
_cell_volume   66.54
_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
  Mg  Mg0  1  0.75  0.92  0.92  1.0
  Mg  Mg1  1  0.76  0.76  0.76  1.0
  Tc  Tc2  1  0.84  0.01  0.01  1.0
  Ge  Ge3  1  0.65  0.65  0.65  1.0

Mg Mg Tc Ge
Mg Mg Tc Ge 0 2 o o o 1 3 o o o 
Mg2TcGe crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one Mg2TcGe cluster. There are two inequivalent Mg sites. In the first Mg site, Mg(1) is bonded in a distorted single-bond geometry to one Mg(2) and one Tc(1) atom. The Mg(1)-Mg(2) bond length is 0.84 Å. The Mg(1)-Tc(1) bond length is 0.47 Å. In the second Mg site, Mg(2) is bonded in a distorted single-bond geometry to one Mg(1) and one Ge(1) atom. The Mg(2)-Ge(1) bond length is 0.57 Å. Tc(1) is bonded in a single-bond geometry to one Mg(1) atom. Ge(1) is bonded in a single-bond geometry to one Mg(2) atom.