data_CoHgB2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.08
_cell_length_b   4.08
_cell_length_c   4.08
_cell_angle_alpha   124.68
_cell_angle_beta   124.68
_cell_angle_gamma   82.08
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CoHgB2
_chemical_formula_sum   'Co1 Hg1 B2'
_cell_volume   44.11
_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  Co2  1  0.0  0.0  0.0  1.0
  Hg  Hg3  1  0.0  0.0  0.08  1.0
  B  B0  1  0.0  0.89  0.54  1.0
  B  B1  1  0.89  0.0  0.54  1.0

data_CoHgB2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.36
_cell_length_b   5.36
_cell_length_c   4.08
_cell_angle_alpha   90.0
_cell_angle_beta   131.04
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   CoHgB2
_chemical_formula_sum   'Co2 Hg2 B4'
_cell_volume   88.22
_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  2  0.0  0.0  0.0  1.0
  Hg  Hg1  2  0.0  0.0  0.08  1.0
  B  B2  4  0.05  0.05  0.64  1.0

Co Hg B B
Co Hg B B 0 1 o o o 2 3 - + o 
Co(Hg)(B)2 is Zincblende, Sphalerite structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two 14452-61-0 molecules and two cobalt;mercury molecules.