The material described by Ni2V3 is beta Uranium-derived structured and crystallizes in the monoclinic P2/m space group. There are seven inequivalent V sites. In the first V site, V(1) is bonded in a 8-coordinate geometry to one V(3), one V(7), two equivalent V(1), two equivalent V(4), one Ni(1), one Ni(3), one Ni(4), one Ni(5), one Ni(6), and one Ni(7) atom. In the second V site, V(2) is bonded in a 8-coordinate geometry to one V(4), one V(7), two equivalent V(2), two equivalent V(3), one Ni(2), one Ni(3), one Ni(4), one Ni(5), one Ni(6), and one Ni(7) atom. In the third V site, V(3) is bonded in a 15-coordinate geometry to one V(3), one V(6), two equivalent V(1), four equivalent V(2), one Ni(7), two equivalent Ni(2), two equivalent Ni(4), and two equivalent Ni(6) atoms. In the fourth V site, V(4) is bonded in a 15-coordinate geometry to one V(4), one V(5), one V(7), two equivalent V(2), four equivalent V(1), two equivalent Ni(1), two equivalent Ni(3), and two equivalent Ni(5) atoms. In the fifth V site, V(5) is bonded in a 6-coordinate geometry to one V(4), one V(5), two equivalent Ni(4), and two equivalent Ni(5) atoms. In the sixth V site, V(6) is bonded in a 6-coordinate geometry to one V(3), one V(6), two equivalent Ni(4), and two equivalent Ni(5) atoms. In the seventh V site, V(7) is bonded in a 14-coordinate geometry to one V(4), one V(7), two equivalent V(1), two equivalent V(2), two equivalent Ni(3), two equivalent Ni(6), and four equivalent Ni(7) atoms. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent V(1), four equivalent V(4), two equivalent Ni(3), and two equivalent Ni(5) atoms to form NiV8Ni4 cuboctahedra that share corners with four equivalent Ni(4)V10Ni2 cuboctahedra, corners with four equivalent Ni(5)V10Ni2 cuboctahedra, corners with four equivalent Ni(3)V8Ni4 cuboctahedra, corners with four equivalent Ni(6)V8Ni4 cuboctahedra, edges with two equivalent Ni(1)V8Ni4 cuboctahedra, faces with two equivalent Ni(5)V10Ni2 cuboctahedra, and faces with two equivalent Ni(3)V8Ni4 cuboctahedra. In the second Ni site, Ni(2) is bonded to four equivalent V(2), four equivalent V(3), two equivalent Ni(4), and two equivalent Ni(6) atoms to form NiV8Ni4 cuboctahedra that share corners with four equivalent Ni(4)V10Ni2 cuboctahedra, corners with four equivalent Ni(5)V10Ni2 cuboctahedra, corners with four equivalent Ni(3)V8Ni4 cuboctahedra, corners with four equivalent Ni(6)V8Ni4 cuboctahedra, edges with two equivalent Ni(2)V8Ni4 cuboctahedra, faces with two equivalent Ni(4)V10Ni2 cuboctahedra, and faces with two equivalent Ni(6)V8Ni4 cuboctahedra. In the third Ni site, Ni(3) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(4), two equivalent V(7), one Ni(1), one Ni(5), and two equivalent Ni(7) atoms to form NiV8Ni4 cuboctahedra that share  a cornercorner with one Ni(3)V8Ni4 cuboctahedra, corners with two equivalent Ni(5)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with four equivalent Ni(4)V10Ni2 cuboctahedra, edges with three equivalent Ni(3)V8Ni4 cuboctahedra,  a faceface with one Ni(1)V8Ni4 cuboctahedra, faces with two equivalent Ni(5)V10Ni2 cuboctahedra, and faces with four equivalent Ni(6)V8Ni4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(3), two equivalent V(5), two equivalent V(6), one Ni(2), and one Ni(6) atom to form NiV10Ni2 cuboctahedra that share  a cornercorner with one Ni(4)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with two equivalent Ni(6)V8Ni4 cuboctahedra, corners with four equivalent Ni(3)V8Ni4 cuboctahedra, edges with three equivalent Ni(4)V10Ni2 cuboctahedra,  a faceface with one Ni(2)V8Ni4 cuboctahedra, faces with two equivalent Ni(6)V8Ni4 cuboctahedra, and faces with four equivalent Ni(5)V10Ni2 cuboctahedra. In the fifth Ni site, Ni(5) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(4), two equivalent V(5), two equivalent V(6), one Ni(1), and one Ni(3) atom to form NiV10Ni2 cuboctahedra that share  a cornercorner with one Ni(5)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with two equivalent Ni(3)V8Ni4 cuboctahedra, corners with four equivalent Ni(6)V8Ni4 cuboctahedra, edges with three equivalent Ni(5)V10Ni2 cuboctahedra,  a faceface with one Ni(1)V8Ni4 cuboctahedra, faces with two equivalent Ni(3)V8Ni4 cuboctahedra, and faces with four equivalent Ni(4)V10Ni2 cuboctahedra. In the sixth Ni site, Ni(6) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(3), two equivalent V(7), one Ni(2), one Ni(4), and two equivalent Ni(7) atoms to form NiV8Ni4 cuboctahedra that share  a cornercorner with one Ni(6)V8Ni4 cuboctahedra, corners with two equivalent Ni(4)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with four equivalent Ni(5)V10Ni2 cuboctahedra, edges with three equivalent Ni(6)V8Ni4 cuboctahedra,  a faceface with one Ni(2)V8Ni4 cuboctahedra, faces with two equivalent Ni(4)V10Ni2 cuboctahedra, and faces with four equivalent Ni(3)V8Ni4 cuboctahedra. In the seventh Ni site, Ni(7) is bonded in a 14-coordinate geometry to one V(3), two equivalent V(1), two equivalent V(2), four equivalent V(7), one Ni(7), two equivalent Ni(3), and two equivalent Ni(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_V3Ni2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.562
_cell_length_b   8.831
_cell_length_c   8.924
_cell_angle_alpha   89.591
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   359.473
_cell_formula_units_Z   6
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  0.247  0.317  0.679  1.0
  V  V1  1  0.247  0.683  0.321  1.0
  V  V2  1  0.746  0.823  0.818  1.0
  V  V3  1  0.746  0.177  0.182  1.0
  V  V4  1  0.753  0.683  0.321  1.0
  V  V5  1  0.753  0.317  0.679  1.0
  V  V6  1  0.254  0.177  0.182  1.0
  V  V7  1  0.254  0.823  0.818  1.0
  V  V8  1  0.500  0.108  0.896  1.0
  V  V9  1  0.500  0.892  0.104  1.0
  V  V10  1  0.000  0.611  0.607  1.0
  V  V11  1  0.000  0.389  0.393  1.0
  V  V12  1  0.000  0.536  0.874  1.0
  V  V13  1  0.000  0.464  0.126  1.0
  V  V14  1  0.500  0.626  0.036  1.0
  V  V15  1  0.500  0.374  0.964  1.0
  V  V16  1  0.000  0.878  0.535  1.0
  V  V17  1  0.000  0.122  0.465  1.0
  Ni  Ni18  1  0.500  0.500  0.500  1.0
  Ni  Ni19  1  0.000  0.000  0.000  1.0
  Ni  Ni20  1  0.500  0.761  0.566  1.0
  Ni  Ni21  1  0.500  0.239  0.434  1.0
  Ni  Ni22  1  0.000  0.259  0.934  1.0
  Ni  Ni23  1  0.000  0.741  0.066  1.0
  Ni  Ni24  1  0.500  0.567  0.757  1.0
  Ni  Ni25  1  0.500  0.433  0.243  1.0
  Ni  Ni26  1  0.000  0.932  0.258  1.0
  Ni  Ni27  1  0.000  0.068  0.742  1.0
  Ni  Ni28  1  0.500  0.037  0.631  1.0
  Ni  Ni29  1  0.500  0.963  0.369  1.0
[/CIF]
.
The material described by Ni2V3 is beta Uranium-derived structured and crystallizes in the monoclinic P2/m space group. There are seven inequivalent V sites. In the first V site, V(1) is bonded in a 8-coordinate geometry to one V(3), one V(7), two equivalent V(1), two equivalent V(4), one Ni(1), one Ni(3), one Ni(4), one Ni(5), one Ni(6), and one Ni(7) atom. In the second V site, V(2) is bonded in a 8-coordinate geometry to one V(4), one V(7), two equivalent V(2), two equivalent V(3), one Ni(2), one Ni(3), one Ni(4), one Ni(5), one Ni(6), and one Ni(7) atom. In the third V site, V(3) is bonded in a 15-coordinate geometry to one V(3), one V(6), two equivalent V(1), four equivalent V(2), one Ni(7), two equivalent Ni(2), two equivalent Ni(4), and two equivalent Ni(6) atoms. In the fourth V site, V(4) is bonded in a 15-coordinate geometry to one V(4), one V(5), one V(7), two equivalent V(2), four equivalent V(1), two equivalent Ni(1), two equivalent Ni(3), and two equivalent Ni(5) atoms. In the fifth V site, V(5) is bonded in a 6-coordinate geometry to one V(4), one V(5), two equivalent Ni(4), and two equivalent Ni(5) atoms. In the sixth V site, V(6) is bonded in a 6-coordinate geometry to one V(3), one V(6), two equivalent Ni(4), and two equivalent Ni(5) atoms. In the seventh V site, V(7) is bonded in a 14-coordinate geometry to one V(4), one V(7), two equivalent V(1), two equivalent V(2), two equivalent Ni(3), two equivalent Ni(6), and four equivalent Ni(7) atoms. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent V(1), four equivalent V(4), two equivalent Ni(3), and two equivalent Ni(5) atoms to form NiV8Ni4 cuboctahedra that share corners with four equivalent Ni(4)V10Ni2 cuboctahedra, corners with four equivalent Ni(5)V10Ni2 cuboctahedra, corners with four equivalent Ni(3)V8Ni4 cuboctahedra, corners with four equivalent Ni(6)V8Ni4 cuboctahedra, edges with two equivalent Ni(1)V8Ni4 cuboctahedra, faces with two equivalent Ni(5)V10Ni2 cuboctahedra, and faces with two equivalent Ni(3)V8Ni4 cuboctahedra. In the second Ni site, Ni(2) is bonded to four equivalent V(2), four equivalent V(3), two equivalent Ni(4), and two equivalent Ni(6) atoms to form NiV8Ni4 cuboctahedra that share corners with four equivalent Ni(4)V10Ni2 cuboctahedra, corners with four equivalent Ni(5)V10Ni2 cuboctahedra, corners with four equivalent Ni(3)V8Ni4 cuboctahedra, corners with four equivalent Ni(6)V8Ni4 cuboctahedra, edges with two equivalent Ni(2)V8Ni4 cuboctahedra, faces with two equivalent Ni(4)V10Ni2 cuboctahedra, and faces with two equivalent Ni(6)V8Ni4 cuboctahedra. In the third Ni site, Ni(3) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(4), two equivalent V(7), one Ni(1), one Ni(5), and two equivalent Ni(7) atoms to form NiV8Ni4 cuboctahedra that share  a cornercorner with one Ni(3)V8Ni4 cuboctahedra, corners with two equivalent Ni(5)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with four equivalent Ni(4)V10Ni2 cuboctahedra, edges with three equivalent Ni(3)V8Ni4 cuboctahedra,  a faceface with one Ni(1)V8Ni4 cuboctahedra, faces with two equivalent Ni(5)V10Ni2 cuboctahedra, and faces with four equivalent Ni(6)V8Ni4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(3), two equivalent V(5), two equivalent V(6), one Ni(2), and one Ni(6) atom to form NiV10Ni2 cuboctahedra that share  a cornercorner with one Ni(4)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with two equivalent Ni(6)V8Ni4 cuboctahedra, corners with four equivalent Ni(3)V8Ni4 cuboctahedra, edges with three equivalent Ni(4)V10Ni2 cuboctahedra,  a faceface with one Ni(2)V8Ni4 cuboctahedra, faces with two equivalent Ni(6)V8Ni4 cuboctahedra, and faces with four equivalent Ni(5)V10Ni2 cuboctahedra. In the fifth Ni site, Ni(5) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(4), two equivalent V(5), two equivalent V(6), one Ni(1), and one Ni(3) atom to form NiV10Ni2 cuboctahedra that share  a cornercorner with one Ni(5)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with two equivalent Ni(3)V8Ni4 cuboctahedra, corners with four equivalent Ni(6)V8Ni4 cuboctahedra, edges with three equivalent Ni(5)V10Ni2 cuboctahedra,  a faceface with one Ni(1)V8Ni4 cuboctahedra, faces with two equivalent Ni(3)V8Ni4 cuboctahedra, and faces with four equivalent Ni(4)V10Ni2 cuboctahedra. In the sixth Ni site, Ni(6) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(3), two equivalent V(7), one Ni(2), one Ni(4), and two equivalent Ni(7) atoms to form NiV8Ni4 cuboctahedra that share  a cornercorner with one Ni(6)V8Ni4 cuboctahedra, corners with two equivalent Ni(4)V10Ni2 cuboctahedra, corners with two equivalent Ni(1)V8Ni4 cuboctahedra, corners with two equivalent Ni(2)V8Ni4 cuboctahedra, corners with four equivalent Ni(5)V10Ni2 cuboctahedra, edges with three equivalent Ni(6)V8Ni4 cuboctahedra,  a faceface with one Ni(2)V8Ni4 cuboctahedra, faces with two equivalent Ni(4)V10Ni2 cuboctahedra, and faces with four equivalent Ni(3)V8Ni4 cuboctahedra. In the seventh Ni site, Ni(7) is bonded in a 14-coordinate geometry to one V(3), two equivalent V(1), two equivalent V(2), four equivalent V(7), one Ni(7), two equivalent Ni(3), and two equivalent Ni(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_V3Ni2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.562
_cell_length_b   8.831
_cell_length_c   8.924
_cell_angle_alpha   89.591
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   359.473
_cell_formula_units_Z   6
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  0.247  0.317  0.679  1.0
  V  V1  1  0.247  0.683  0.321  1.0
  V  V2  1  0.746  0.823  0.818  1.0
  V  V3  1  0.746  0.177  0.182  1.0
  V  V4  1  0.753  0.683  0.321  1.0
  V  V5  1  0.753  0.317  0.679  1.0
  V  V6  1  0.254  0.177  0.182  1.0
  V  V7  1  0.254  0.823  0.818  1.0
  V  V8  1  0.500  0.108  0.896  1.0
  V  V9  1  0.500  0.892  0.104  1.0
  V  V10  1  0.000  0.611  0.607  1.0
  V  V11  1  0.000  0.389  0.393  1.0
  V  V12  1  0.000  0.536  0.874  1.0
  V  V13  1  0.000  0.464  0.126  1.0
  V  V14  1  0.500  0.626  0.036  1.0
  V  V15  1  0.500  0.374  0.964  1.0
  V  V16  1  0.000  0.878  0.535  1.0
  V  V17  1  0.000  0.122  0.465  1.0
  Ni  Ni18  1  0.500  0.500  0.500  1.0
  Ni  Ni19  1  0.000  0.000  0.000  1.0
  Ni  Ni20  1  0.500  0.761  0.566  1.0
  Ni  Ni21  1  0.500  0.239  0.434  1.0
  Ni  Ni22  1  0.000  0.259  0.934  1.0
  Ni  Ni23  1  0.000  0.741  0.066  1.0
  Ni  Ni24  1  0.500  0.567  0.757  1.0
  Ni  Ni25  1  0.500  0.433  0.243  1.0
  Ni  Ni26  1  0.000  0.932  0.258  1.0
  Ni  Ni27  1  0.000  0.068  0.742  1.0
  Ni  Ni28  1  0.500  0.037  0.631  1.0
  Ni  Ni29  1  0.500  0.963  0.369  1.0
[/CIF]
.