data_NiAgBi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.36
_cell_length_b   3.36
_cell_length_c   8.15
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NiAgBi2
_chemical_formula_sum   'Ni1 Ag1 Bi2'
_cell_volume   91.91
_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  0.23  1.0
  Ag  Ag0  1  0.68  0.68  0.71  1.0
  Bi  Bi1  1  0.0  0.0  0.67  1.0
  Bi  Bi2  1  0.68  0.68  0.77  1.0

data_NiAgBi2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.75
_cell_length_b   4.75
_cell_length_c   8.15
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NiAgBi2
_chemical_formula_sum   'Ni2 Ag2 Bi4'
_cell_volume   183.83
_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  0.23  1.0
  Ag  Ag1  2  0.18  0.5  0.71  1.0
  Bi  Bi2  2  0.0  0.0  0.67  1.0
  Bi  Bi3  2  0.18  0.5  0.77  1.0

Ni Ag Bi Bi
NiAgBi2 crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two 7440-02-0 atoms and two AgBi2 clusters. In each AgBi2 cluster, Ag(1) is bonded in a single-bond geometry to one Bi(1) and one Bi(2) atom. The Ag(1)-Bi(1) bond length is 1.56 Å. The Ag(1)-Bi(2) bond length is 0.47 Å. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a distorted single-bond geometry to one Ag(1) atom. In the second Bi site, Bi(2) is bonded in a single-bond geometry to one Ag(1) atom.