data_TcBiPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.76
_cell_length_b   4.76
_cell_length_c   4.76
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TcBiPb2
_chemical_formula_sum   'Tc1 Bi1 Pb2'
_cell_volume   107.83
_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
  Tc  Tc3  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.38  0.38  0.0  1.0
  Pb  Pb1  1  0.38  0.0  0.38  1.0
  Pb  Pb2  1  0.0  0.38  0.38  1.0

data_TcBiPb2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.73
_cell_length_b   6.73
_cell_length_c   4.76
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   TcBiPb2
_chemical_formula_sum   'Tc2 Bi2 Pb4'
_cell_volume   215.67
_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
  Tc  Tc0  2  0.0  0.0  0.0  1.0
  Bi  Bi1  2  0.38  0.0  0.0  1.0
  Pb  Pb2  4  0.19  0.19  0.38  1.0

Tc Bi Pb Pb
Tc Bi Pb Pb 0 3 o o o 0 2 o o o 0 1 o o o 1 3 o o o 1 2 o o o 2 3 o o o 
TcPb2Bi crystallizes in the monoclinic Cm space group. Tc(1) is bonded in a 9-coordinate geometry to six equivalent Pb(1) and three equivalent Bi(1) atoms. There are a spread of Tc(1)-Pb(1) bond distances ranging from 2.56-3.47 Å. There is one shorter (2.55 Å) and two longer (3.46 Å) Tc(1)-Bi(1) bond lengths. Pb(1) is bonded in a 2-coordinate geometry to three equivalent Tc(1) and three equivalent Bi(1) atoms. There are a spread of Pb(1)-Bi(1) bond distances ranging from 2.56-3.47 Å. Bi(1) is bonded in a 9-coordinate geometry to three equivalent Tc(1) and six equivalent Pb(1) atoms.