data_NiGe2Bi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.73
_cell_length_b   5.73
_cell_length_c   5.73
_cell_angle_alpha   139.68
_cell_angle_beta   139.68
_cell_angle_gamma   58.34
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NiGe2Bi
_chemical_formula_sum   'Ni1 Ge2 Bi1'
_cell_volume   77.93
_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
  Ni  Ni3  1  0.0  0.0  0.0  1.0
  Ge  Ge1  1  0.0  0.97  0.5  1.0
  Ge  Ge2  1  0.97  0.0  0.5  1.0
  Bi  Bi0  1  0.0  0.0  0.0  1.0

data_NiGe2Bi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.58
_cell_length_b   5.58
_cell_length_c   5.73
_cell_angle_alpha   90.0
_cell_angle_beta   119.17
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NiGe2Bi
_chemical_formula_sum   'Ni2 Ge4 Bi2'
_cell_volume   155.86
_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
  Ni  Ni0  2  0.0  0.0  0.0  1.0
  Ge  Ge1  4  0.01  0.51  0.53  1.0
  Bi  Bi2  2  0.0  0.0  0.0  1.0

NiBi(Ge)2 is alpha carbon monoxide-derived structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two bismuth;nickel molecules and two germanium molecules.