data_Mg2TcSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.26
_cell_length_b   5.26
_cell_length_c   3.0
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   114.21
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2TcSb
_chemical_formula_sum   'Mg2 Tc1 Sb1'
_cell_volume   75.77
_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  0.43  0.21  0.5  1.0
  Mg  Mg1  1  0.43  0.79  0.5  1.0
  Tc  Tc3  1  0.0  0.0  0.0  1.0
  Sb  Sb2  1  0.86  0.0  0.0  1.0

data_Mg2TcSb
_symmetry_space_group_name_H-M   Pm
_cell_length_a   5.26
_cell_length_b   3.0
_cell_length_c   5.26
_cell_angle_alpha   90.0
_cell_angle_beta   114.21
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Mg2TcSb
_chemical_formula_sum   'Mg2 Tc1 Sb1'
_cell_volume   75.77
_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
  Mg  Mg0  1  0.43  0.5  0.79  1.0
  Mg  Mg1  1  0.43  0.5  0.21  1.0
  Tc  Tc2  1  0.0  0.0  0.0  1.0
  Sb  Sb3  1  0.86  0.0  0.0  1.0

Mg Mg Tc Sb
Mg2TcSb crystallizes in the monoclinic Pm space group. Mg(1) is bonded in a 8-coordinate geometry to four equivalent Mg(1), two equivalent Tc(1), and two equivalent Sb(1) atoms. There are a spread of Mg(1)-Mg(1) bond distances ranging from 2.21-3.05 Å. Both Mg(1)-Tc(1) bond lengths are 2.93 Å. Both Mg(1)-Sb(1) bond lengths are 2.93 Å. Tc(1) is bonded in a single-bond geometry to four equivalent Mg(1) and one Sb(1) atom. The Tc(1)-Sb(1) bond length is 0.74 Å. Sb(1) is bonded in a single-bond geometry to four equivalent Mg(1) and one Tc(1) atom.