The material structure described by Tc2AlPb crystallizes in the cubic F-43m space group. There are two inequivalent Tc sites. In the first Tc site, Tc(1) is bonded to four equivalent Tc(2) and four equivalent Pb(1) atoms to form distorted edge-sharing TcTc4Pb4 tetrahedra. In the second Tc site, Tc(2) is bonded in a 14-coordinate geometry to four equivalent Tc(1), four equivalent Al(1), and six equivalent Pb(1) atoms. Al(1) is bonded in a distorted body-centered cubic geometry to four equivalent Tc(2) and four equivalent Pb(1) atoms. Pb(1) is bonded in a distorted body-centered cubic geometry to four equivalent Tc(1), six equivalent Tc(2), and four equivalent Al(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_AlTc2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.600
_cell_length_b   4.600
_cell_length_c   4.600
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   68.815
_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
  Al  Al0  1  0.750  0.750  0.750  1.0
  Tc  Tc1  1  0.250  0.250  0.250  1.0
  Tc  Tc2  1  0.000  0.000  0.000  1.0
  Pb  Pb3  1  0.500  0.500  0.500  1.0
[/CIF]
.
The material structure described by Tc2AlPb crystallizes in the cubic F-43m space group. There are two inequivalent Tc sites. In the first Tc site, Tc(1) is bonded to four equivalent Tc(2) and four equivalent Pb(1) atoms to form distorted edge-sharing TcTc4Pb4 tetrahedra. In the second Tc site, Tc(2) is bonded in a 14-coordinate geometry to four equivalent Tc(1), four equivalent Al(1), and six equivalent Pb(1) atoms. Al(1) is bonded in a distorted body-centered cubic geometry to four equivalent Tc(2) and four equivalent Pb(1) atoms. Pb(1) is bonded in a distorted body-centered cubic geometry to four equivalent Tc(1), six equivalent Tc(2), and four equivalent Al(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_AlTc2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.600
_cell_length_b   4.600
_cell_length_c   4.600
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   68.815
_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
  Al  Al0  1  0.750  0.750  0.750  1.0
  Tc  Tc1  1  0.250  0.250  0.250  1.0
  Tc  Tc2  1  0.000  0.000  0.000  1.0
  Pb  Pb3  1  0.500  0.500  0.500  1.0
[/CIF]
.