V6Si5 crystallizes in the orthorhombic Immm space group. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 7-coordinate geometry to four equivalent V(3), one Si(1), two equivalent Si(2), two equivalent Si(3), and two equivalent Si(4) atoms. In the second V site, V(2) is bonded in a 12-coordinate geometry to two equivalent V(2), four equivalent V(4), two equivalent Si(1), and four equivalent Si(4) atoms. In the third V site, V(3) is bonded in a 12-coordinate geometry to two equivalent V(1), two equivalent V(3), two equivalent V(4), two equivalent Si(1), two equivalent Si(2), and two equivalent Si(4) atoms. In the fourth V site, V(4) is bonded in a 6-coordinate geometry to two equivalent V(2), two equivalent V(3), one Si(1), one Si(2), two equivalent Si(3), and two equivalent Si(4) atoms. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to one V(1), two equivalent V(2), two equivalent V(4), and four equivalent V(3) atoms. In the second Si site, Si(2) is bonded in a 8-coordinate geometry to two equivalent V(1), two equivalent V(4), and four equivalent V(3) atoms. In the third Si site, Si(3) is bonded in a 8-coordinate geometry to two equivalent V(1), four equivalent V(4), and two equivalent Si(3) atoms. In the fourth Si site, Si(4) is bonded in a 7-coordinate geometry to one V(1), two equivalent V(2), two equivalent V(3), and two equivalent V(4) atoms.
V6Si5 crystallizes in the orthorhombic Immm space group. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 7-coordinate geometry to four equivalent V(3), one Si(1), two equivalent Si(2), two equivalent Si(3), and two equivalent Si(4) atoms. All V(1)-V(3) bond lengths are 2.78 Å. The V(1)-Si(1) bond length is 2.70 Å. Both V(1)-Si(2) bond lengths are 2.63 Å. Both V(1)-Si(3) bond lengths are 2.55 Å. Both V(1)-Si(4) bond lengths are 2.58 Å. In the second V site, V(2) is bonded in a 12-coordinate geometry to two equivalent V(2), four equivalent V(4), two equivalent Si(1), and four equivalent Si(4) atoms. There is one shorter (2.44 Å) and one longer (2.50 Å) V(2)-V(2) bond length. All V(2)-V(4) bond lengths are 2.87 Å. Both V(2)-Si(1) bond lengths are 2.77 Å. All V(2)-Si(4) bond lengths are 2.53 Å. In the third V site, V(3) is bonded in a 12-coordinate geometry to two equivalent V(1), two equivalent V(3), two equivalent V(4), two equivalent Si(1), two equivalent Si(2), and two equivalent Si(4) atoms. Both V(3)-V(3) bond lengths are 2.47 Å. Both V(3)-V(4) bond lengths are 2.73 Å. Both V(3)-Si(1) bond lengths are 2.66 Å. Both V(3)-Si(2) bond lengths are 2.43 Å. Both V(3)-Si(4) bond lengths are 2.53 Å. In the fourth V site, V(4) is bonded in a 6-coordinate geometry to two equivalent V(2), two equivalent V(3), one Si(1), one Si(2), two equivalent Si(3), and two equivalent Si(4) atoms. The V(4)-Si(1) bond length is 2.55 Å. The V(4)-Si(2) bond length is 2.57 Å. Both V(4)-Si(3) bond lengths are 2.54 Å. Both V(4)-Si(4) bond lengths are 2.58 Å. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to one V(1), two equivalent V(2), two equivalent V(4), and four equivalent V(3) atoms. In the second Si site, Si(2) is bonded in a 8-coordinate geometry to two equivalent V(1), two equivalent V(4), and four equivalent V(3) atoms. In the third Si site, Si(3) is bonded in a 8-coordinate geometry to two equivalent V(1), four equivalent V(4), and two equivalent Si(3) atoms. There is one shorter (2.39 Å) and one longer (2.54 Å) Si(3)-Si(3) bond length. In the fourth Si site, Si(4) is bonded in a 7-coordinate geometry to one V(1), two equivalent V(2), two equivalent V(3), and two equivalent V(4) atoms.