VNi9Al2 is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. V(1) is bonded to four equivalent Ni(1) and eight equivalent Ni(3) atoms to form VNi12 cuboctahedra that share corners with four equivalent V(1)Ni12 cuboctahedra, corners with eight equivalent Al(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with sixteen equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with two equivalent Al(1)Ni12 cuboctahedra, faces with four equivalent V(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)V4Ni8 cuboctahedra, and faces with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent V(1) and eight equivalent Ni(3) atoms to form NiV4Ni8 cuboctahedra that share corners with four equivalent Ni(1)V4Ni8 cuboctahedra, corners with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with eight equivalent Al(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with two equivalent Ni(2)Al4Ni8 cuboctahedra, faces with four equivalent V(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)V4Ni8 cuboctahedra, and faces with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra. In the second Ni site, Ni(2) is bonded to four equivalent Ni(3), four equivalent Ni(4), and four equivalent Al(1) atoms to form NiAl4Ni8 cuboctahedra that share corners with four equivalent Ni(1)V4Ni8 cuboctahedra, corners with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with four equivalent V(1)Ni12 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra, edges with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(4)Al4Ni8 cuboctahedra,  a faceface with one Ni(1)V4Ni8 cuboctahedra, faces with four equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with four equivalent Ni(4)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with five equivalent Ni(2)Al4Ni8 cuboctahedra. In the third Ni site, Ni(3) is bonded to two equivalent V(1), two equivalent Ni(1), two equivalent Ni(2), four equivalent Ni(3), and two equivalent Al(1) atoms to form NiAl2V2Ni8 cuboctahedra that share corners with four equivalent Ni(4)Al4Ni8 cuboctahedra, corners with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with four equivalent V(1)Ni12 cuboctahedra, edges with four equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with four equivalent Ni(2)Al4Ni8 cuboctahedra, edges with four equivalent Ni(4)Al4Ni8 cuboctahedra, edges with four equivalent Ni(1)V4Ni8 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra,  a faceface with one Ni(4)Al4Ni8 cuboctahedra, faces with two equivalent V(1)Ni12 cuboctahedra, faces with two equivalent Ni(2)Al4Ni8 cuboctahedra, faces with two equivalent Ni(1)V4Ni8 cuboctahedra, faces with two equivalent Al(1)Ni12 cuboctahedra, and faces with nine equivalent Ni(3)Al2V2Ni8 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to four equivalent Ni(2), four equivalent Ni(4), and four equivalent Al(1) atoms to form NiAl4Ni8 cuboctahedra that share corners with four equivalent Ni(4)Al4Ni8 cuboctahedra, corners with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with eight equivalent Al(1)Ni12 cuboctahedra, faces with two equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with four equivalent Ni(2)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(4)Al4Ni8 cuboctahedra. Al(1) is bonded to four equivalent Ni(2), four equivalent Ni(3), and four equivalent Ni(4) atoms to form AlNi12 cuboctahedra that share corners with four equivalent V(1)Ni12 cuboctahedra, corners with eight equivalent Al(1)Ni12 cuboctahedra, edges with four equivalent Ni(2)Al4Ni8 cuboctahedra, edges with four equivalent Ni(1)V4Ni8 cuboctahedra, edges with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(4)Al4Ni8 cuboctahedra,  a faceface with one V(1)Ni12 cuboctahedra, faces with four equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with four equivalent Ni(2)Al4Ni8 cuboctahedra, faces with four equivalent Ni(4)Al4Ni8 cuboctahedra, and faces with five equivalent Al(1)Ni12 cuboctahedra.
VNi9Al2 is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. V(1) is bonded to four equivalent Ni(1) and eight equivalent Ni(3) atoms to form VNi12 cuboctahedra that share corners with four equivalent V(1)Ni12 cuboctahedra, corners with eight equivalent Al(1)Ni12 cuboctahedra, edges with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with sixteen equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with two equivalent Al(1)Ni12 cuboctahedra, faces with four equivalent V(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)V4Ni8 cuboctahedra, and faces with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra. All V(1)-Ni(1) bond lengths are 2.49 Å. All V(1)-Ni(3) bond lengths are 2.46 Å. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent V(1) and eight equivalent Ni(3) atoms to form NiV4Ni8 cuboctahedra that share corners with four equivalent Ni(1)V4Ni8 cuboctahedra, corners with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with eight equivalent Al(1)Ni12 cuboctahedra, edges with sixteen equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with two equivalent Ni(2)Al4Ni8 cuboctahedra, faces with four equivalent V(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)V4Ni8 cuboctahedra, and faces with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra. All Ni(1)-Ni(3) bond lengths are 2.46 Å. In the second Ni site, Ni(2) is bonded to four equivalent Ni(3), four equivalent Ni(4), and four equivalent Al(1) atoms to form NiAl4Ni8 cuboctahedra that share corners with four equivalent Ni(1)V4Ni8 cuboctahedra, corners with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with four equivalent V(1)Ni12 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra, edges with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(4)Al4Ni8 cuboctahedra,  a faceface with one Ni(1)V4Ni8 cuboctahedra, faces with four equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with four equivalent Ni(4)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with five equivalent Ni(2)Al4Ni8 cuboctahedra. All Ni(2)-Ni(3) bond lengths are 2.50 Å. All Ni(2)-Ni(4) bond lengths are 2.49 Å. All Ni(2)-Al(1) bond lengths are 2.49 Å. In the third Ni site, Ni(3) is bonded to two equivalent V(1), two equivalent Ni(1), two equivalent Ni(2), four equivalent Ni(3), and two equivalent Al(1) atoms to form NiAl2V2Ni8 cuboctahedra that share corners with four equivalent Ni(4)Al4Ni8 cuboctahedra, corners with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with four equivalent V(1)Ni12 cuboctahedra, edges with four equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with four equivalent Ni(2)Al4Ni8 cuboctahedra, edges with four equivalent Ni(4)Al4Ni8 cuboctahedra, edges with four equivalent Ni(1)V4Ni8 cuboctahedra, edges with four equivalent Al(1)Ni12 cuboctahedra,  a faceface with one Ni(4)Al4Ni8 cuboctahedra, faces with two equivalent V(1)Ni12 cuboctahedra, faces with two equivalent Ni(2)Al4Ni8 cuboctahedra, faces with two equivalent Ni(1)V4Ni8 cuboctahedra, faces with two equivalent Al(1)Ni12 cuboctahedra, and faces with nine equivalent Ni(3)Al2V2Ni8 cuboctahedra. All Ni(3)-Ni(3) bond lengths are 2.49 Å. Both Ni(3)-Al(1) bond lengths are 2.52 Å. In the fourth Ni site, Ni(4) is bonded to four equivalent Ni(2), four equivalent Ni(4), and four equivalent Al(1) atoms to form NiAl4Ni8 cuboctahedra that share corners with four equivalent Ni(4)Al4Ni8 cuboctahedra, corners with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(2)Al4Ni8 cuboctahedra, edges with eight equivalent Al(1)Ni12 cuboctahedra, faces with two equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with four equivalent Ni(2)Al4Ni8 cuboctahedra, faces with four equivalent Al(1)Ni12 cuboctahedra, and faces with eight equivalent Ni(4)Al4Ni8 cuboctahedra. All Ni(4)-Ni(4) bond lengths are 2.49 Å. All Ni(4)-Al(1) bond lengths are 2.47 Å. Al(1) is bonded to four equivalent Ni(2), four equivalent Ni(3), and four equivalent Ni(4) atoms to form AlNi12 cuboctahedra that share corners with four equivalent V(1)Ni12 cuboctahedra, corners with eight equivalent Al(1)Ni12 cuboctahedra, edges with four equivalent Ni(2)Al4Ni8 cuboctahedra, edges with four equivalent Ni(1)V4Ni8 cuboctahedra, edges with eight equivalent Ni(3)Al2V2Ni8 cuboctahedra, edges with eight equivalent Ni(4)Al4Ni8 cuboctahedra,  a faceface with one V(1)Ni12 cuboctahedra, faces with four equivalent Ni(3)Al2V2Ni8 cuboctahedra, faces with four equivalent Ni(2)Al4Ni8 cuboctahedra, faces with four equivalent Ni(4)Al4Ni8 cuboctahedra, and faces with five equivalent Al(1)Ni12 cuboctahedra.