V9Ga2Sn crystallizes in the orthorhombic Pmmm space group. There are seven inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one V(2), one V(3), two equivalent Ga(1), and two equivalent Sn(1) atoms. In the second V site, V(2) is bonded in a 6-coordinate geometry to one V(1), one V(2), two equivalent Ga(2), and two equivalent Sn(1) atoms. In the third V site, V(3) is bonded in a 6-coordinate geometry to one V(1), one V(3), four equivalent V(4), two equivalent Ga(1), and two equivalent Ga(3) atoms. In the fourth V site, V(4) is bonded in a 14-coordinate geometry to two equivalent V(4), four equivalent V(3), four equivalent V(6), two equivalent Ga(1), and two equivalent Ga(3) atoms. In the fifth V site, V(5) is bonded in a 6-coordinate geometry to two equivalent V(5), one Ga(1), one Ga(2), and two equivalent Sn(1) atoms. In the sixth V site, V(6) is bonded in a 6-coordinate geometry to two equivalent V(4), two equivalent V(6), one Ga(3), two equivalent Ga(1), and one Sn(1) atom. In the seventh V site, V(7) is bonded in a 6-coordinate geometry to two equivalent V(7), two equivalent Ga(2), and two equivalent Sn(1) atoms. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to two equivalent V(1), two equivalent V(3), two equivalent V(4), two equivalent V(5), and four equivalent V(6) atoms to form GaV12 cuboctahedra that share  an edgeedge with one Ga(2)V12 cuboctahedra, edges with five equivalent Ga(1)V12 cuboctahedra, faces with four equivalent Ga(3)V12 cuboctahedra, and faces with four equivalent Sn(1)V12 cuboctahedra. In the second Ga site, Ga(2) is bonded to four equivalent V(2), four equivalent V(5), and four equivalent V(7) atoms to form GaV12 cuboctahedra that share edges with two equivalent Ga(1)V12 cuboctahedra, edges with four equivalent Ga(2)V12 cuboctahedra, and faces with eight equivalent Sn(1)V12 cuboctahedra. In the third Ga site, Ga(3) is bonded to four equivalent V(3), four equivalent V(4), and four equivalent V(6) atoms to form GaV12 cuboctahedra that share edges with two equivalent Sn(1)V12 cuboctahedra, edges with four equivalent Ga(3)V12 cuboctahedra, and faces with eight equivalent Ga(1)V12 cuboctahedra. Sn(1) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(6), two equivalent V(7), and four equivalent V(5) atoms to form SnV12 cuboctahedra that share  an edgeedge with one Ga(3)V12 cuboctahedra, edges with five equivalent Sn(1)V12 cuboctahedra, faces with four equivalent Ga(1)V12 cuboctahedra, and faces with four equivalent Ga(2)V12 cuboctahedra.
V9Ga2Sn crystallizes in the orthorhombic Pmmm space group. There are seven inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to one V(2), one V(3), two equivalent Ga(1), and two equivalent Sn(1) atoms. The V(1)-V(2) bond length is 2.57 Å. The V(1)-V(3) bond length is 2.32 Å. Both V(1)-Ga(1) bond lengths are 2.67 Å. Both V(1)-Sn(1) bond lengths are 2.74 Å. In the second V site, V(2) is bonded in a 6-coordinate geometry to one V(1), one V(2), two equivalent Ga(2), and two equivalent Sn(1) atoms. The V(2)-V(2) bond length is 2.32 Å. Both V(2)-Ga(2) bond lengths are 2.70 Å. Both V(2)-Sn(1) bond lengths are 2.75 Å. In the third V site, V(3) is bonded in a 6-coordinate geometry to one V(1), one V(3), four equivalent V(4), two equivalent Ga(1), and two equivalent Ga(3) atoms. The V(3)-V(3) bond length is 2.33 Å. All V(3)-V(4) bond lengths are 2.99 Å. Both V(3)-Ga(1) bond lengths are 2.73 Å. Both V(3)-Ga(3) bond lengths are 2.69 Å. In the fourth V site, V(4) is bonded in a 14-coordinate geometry to two equivalent V(4), four equivalent V(3), four equivalent V(6), two equivalent Ga(1), and two equivalent Ga(3) atoms. There is one shorter (2.31 Å) and one longer (2.54 Å) V(4)-V(4) bond length. All V(4)-V(6) bond lengths are 2.84 Å. Both V(4)-Ga(1) bond lengths are 2.71 Å. Both V(4)-Ga(3) bond lengths are 2.70 Å. In the fifth V site, V(5) is bonded in a 6-coordinate geometry to two equivalent V(5), one Ga(1), one Ga(2), and two equivalent Sn(1) atoms. There is one shorter (2.33 Å) and one longer (2.53 Å) V(5)-V(5) bond length. The V(5)-Ga(1) bond length is 2.67 Å. The V(5)-Ga(2) bond length is 2.68 Å. Both V(5)-Sn(1) bond lengths are 2.75 Å. In the sixth V site, V(6) is bonded in a 6-coordinate geometry to two equivalent V(4), two equivalent V(6), one Ga(3), two equivalent Ga(1), and one Sn(1) atom. There is one shorter (2.35 Å) and one longer (2.53 Å) V(6)-V(6) bond length. The V(6)-Ga(3) bond length is 2.64 Å. Both V(6)-Ga(1) bond lengths are 2.70 Å. The V(6)-Sn(1) bond length is 2.76 Å. In the seventh V site, V(7) is bonded in a 6-coordinate geometry to two equivalent V(7), two equivalent Ga(2), and two equivalent Sn(1) atoms. There is one shorter (2.33 Å) and one longer (2.54 Å) V(7)-V(7) bond length. Both V(7)-Ga(2) bond lengths are 2.69 Å. Both V(7)-Sn(1) bond lengths are 2.76 Å. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to two equivalent V(1), two equivalent V(3), two equivalent V(4), two equivalent V(5), and four equivalent V(6) atoms to form GaV12 cuboctahedra that share  an edgeedge with one Ga(2)V12 cuboctahedra, edges with five equivalent Ga(1)V12 cuboctahedra, faces with four equivalent Ga(3)V12 cuboctahedra, and faces with four equivalent Sn(1)V12 cuboctahedra. In the second Ga site, Ga(2) is bonded to four equivalent V(2), four equivalent V(5), and four equivalent V(7) atoms to form GaV12 cuboctahedra that share edges with two equivalent Ga(1)V12 cuboctahedra, edges with four equivalent Ga(2)V12 cuboctahedra, and faces with eight equivalent Sn(1)V12 cuboctahedra. In the third Ga site, Ga(3) is bonded to four equivalent V(3), four equivalent V(4), and four equivalent V(6) atoms to form GaV12 cuboctahedra that share edges with two equivalent Sn(1)V12 cuboctahedra, edges with four equivalent Ga(3)V12 cuboctahedra, and faces with eight equivalent Ga(1)V12 cuboctahedra. Sn(1) is bonded to two equivalent V(1), two equivalent V(2), two equivalent V(6), two equivalent V(7), and four equivalent V(5) atoms to form SnV12 cuboctahedra that share  an edgeedge with one Ga(3)V12 cuboctahedra, edges with five equivalent Sn(1)V12 cuboctahedra, faces with four equivalent Ga(1)V12 cuboctahedra, and faces with four equivalent Ga(2)V12 cuboctahedra.