data_VCuNi2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.5
_cell_length_b   2.5
_cell_length_c   7.48
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   92.9
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VCuNi2
_chemical_formula_sum   'V1 Cu1 Ni2'
_cell_volume   46.78
_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
  V  V3  1  0.0  0.0  0.8  1.0
  Cu  Cu0  1  0.72  0.0  0.79  1.0
  Ni  Ni1  1  0.0  0.0  0.45  1.0
  Ni  Ni2  1  0.72  0.0  0.67  1.0

data_VCuNi2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.5
_cell_length_b   2.5
_cell_length_c   7.48
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   92.9
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VCuNi2
_chemical_formula_sum   'V1 Cu1 Ni2'
_cell_volume   46.78
_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
  V  V0  1  0.0  0.0  0.8  1.0
  Cu  Cu1  1  0.72  0.0  0.79  1.0
  Ni  Ni2  1  0.0  0.0  0.45  1.0
  Ni  Ni3  1  0.72  0.0  0.67  1.0

V Cu Ni Ni
VNi2Cu is alpha Niobium phosphide-derived structured and crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one VNi2Cu cluster. V(1) is bonded in a distorted single-bond geometry to one Cu(1) atom. The V(1)-Cu(1) bond length is 0.70 Å. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a distorted single-bond geometry to one Ni(2) atom. The Ni(1)-Ni(2) bond length is 1.76 Å. In the second Ni site, Ni(2) is bonded in a distorted single-bond geometry to one Ni(1) and one Cu(1) atom. The Ni(2)-Cu(1) bond length is 0.93 Å. Cu(1) is bonded in a distorted water-like geometry to one V(1) and one Ni(2) atom.