data_VSi2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.17
_cell_length_b   4.11
_cell_length_c   5.92
_cell_angle_alpha   90.0
_cell_angle_beta   105.07
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VSi2Pb
_chemical_formula_sum   'V1 Si2 Pb1'
_cell_volume   74.58
_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
  V  V3  1  0.05  0.0  0.52  1.0
  Si  Si1  1  0.29  0.0  0.48  1.0
  Si  Si2  1  0.24  0.06  0.4  1.0
  Pb  Pb0  1  0.46  0.06  0.18  1.0

data_VSi2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.17
_cell_length_b   4.11
_cell_length_c   5.92
_cell_angle_alpha   90.0
_cell_angle_beta   105.07
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VSi2Pb
_chemical_formula_sum   'V1 Si2 Pb1'
_cell_volume   74.58
_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
  V  V0  1  0.05  0.0  0.52  1.0
  Si  Si1  1  0.24  0.06  0.4  1.0
  Si  Si2  1  0.29  0.0  0.48  1.0
  Pb  Pb3  1  0.46  0.06  0.18  1.0

V Si Si Pb
VPbSi2 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one VPbSi2 cluster. V(1) is bonded in a distorted single-bond geometry to one Si(1) atom. The V(1)-Si(1) bond length is 0.85 Å. Pb(1) is bonded in a distorted single-bond geometry to one Si(2) atom. The Pb(1)-Si(2) bond length is 1.64 Å. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a distorted water-like geometry to one V(1) and one Si(2) atom. The Si(1)-Si(2) bond length is 0.52 Å. In the second Si site, Si(2) is bonded in a 2-coordinate geometry to one Pb(1) and one Si(1) atom.