data_Co2BPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.85
_cell_length_b   3.85
_cell_length_c   3.46
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Co2BPb
_chemical_formula_sum   'Co2 B1 Pb1'
_cell_volume   51.22
_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
  Co  Co1  1  0.0  0.92  0.73  1.0
  Co  Co2  1  0.92  0.0  0.73  1.0
  B  B0  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.92  0.92  0.0  1.0

data_Co2BPb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.44
_cell_length_b   5.44
_cell_length_c   3.46
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Co2BPb
_chemical_formula_sum   'Co4 B2 Pb2'
_cell_volume   102.43
_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
  Co  Co0  4  0.46  0.46  0.73  1.0
  B  B1  2  0.0  0.0  0.0  1.0
  Pb  Pb2  2  0.42  0.5  0.0  1.0

Co Co B Pb
(Co)2BPb crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two boron;lead molecules and two Co clusters. In each Co cluster, Co(1) is bonded in a distorted single-bond geometry to one Co(1) atom. The Co(1)-Co(1) bond length is 0.41 Å.