data_BeGe2Bi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.92
_cell_length_b   3.92
_cell_length_c   5.35
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BeGe2Bi
_chemical_formula_sum   'Be1 Ge2 Bi1'
_cell_volume   82.14
_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
  Be  Be0  1  0.0  0.0  0.0  1.0
  Ge  Ge2  1  0.96  0.0  0.68  1.0
  Ge  Ge3  1  0.0  0.96  0.68  1.0
  Bi  Bi1  1  0.96  0.96  0.0  1.0

data_BeGe2Bi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.54
_cell_length_b   5.54
_cell_length_c   5.35
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BeGe2Bi
_chemical_formula_sum   'Be2 Ge4 Bi2'
_cell_volume   164.28
_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
  Be  Be0  2  0.0  0.0  0.0  1.0
  Ge  Ge1  4  0.48  0.48  0.68  1.0
  Bi  Bi2  2  0.46  0.5  -0.0  1.0

Be Ge Ge Bi
BeBi(Ge)2 is alpha carbon monoxide-like structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two germanium molecules and two BeBi clusters. In each BeBi cluster, Be(1) is bonded in a single-bond geometry to one Bi(1) atom. The Be(1)-Bi(1) bond length is 0.23 Å. Bi(1) is bonded in a single-bond geometry to one Be(1) atom.