LiV2Zn2(SiO5)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a distorted see-saw-like geometry to one O(4), one O(6), one O(7), and one O(9) atom. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-40°. In the second V site, V(2) is bonded to one O(1), one O(10), one O(3), one O(6), one O(8), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-40°. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(3), one O(7), and one O(8) atom. In the second Zn site, Zn(2) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(5), one O(6), and one O(9) atom. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form SiO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra and corners with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-55°. In the second Si site, Si(2) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form SiO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra and corners with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-54°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one V(2), one Zn(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(1), one Zn(2), and one Si(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one V(2), one Zn(1), one Zn(2), and one Si(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one V(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one V(1), one Zn(2), and one Si(2) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(2), one Zn(2), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Li(1), one V(1), one Zn(1), and one Si(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one V(2), one Zn(1), and one Si(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(1), one V(2), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one V(2), and one Zn(1) atom.
LiV2Zn2(SiO5)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a distorted see-saw-like geometry to one O(4), one O(6), one O(7), and one O(9) atom. The Li(1)-O(4) bond length is 1.89 Å. The Li(1)-O(6) bond length is 2.12 Å. The Li(1)-O(7) bond length is 1.92 Å. The Li(1)-O(9) bond length is 1.87 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-40°. The V(1)-O(10) bond length is 2.02 Å. The V(1)-O(2) bond length is 2.05 Å. The V(1)-O(4) bond length is 2.02 Å. The V(1)-O(5) bond length is 2.01 Å. The V(1)-O(7) bond length is 2.10 Å. The V(1)-O(9) bond length is 2.06 Å. In the second V site, V(2) is bonded to one O(1), one O(10), one O(3), one O(6), one O(8), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-40°. The V(2)-O(1) bond length is 2.01 Å. The V(2)-O(10) bond length is 1.82 Å. The V(2)-O(3) bond length is 2.11 Å. The V(2)-O(6) bond length is 2.08 Å. The V(2)-O(8) bond length is 2.01 Å. The V(2)-O(9) bond length is 1.90 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(3), one O(7), and one O(8) atom. The Zn(1)-O(1) bond length is 2.16 Å. The Zn(1)-O(10) bond length is 1.98 Å. The Zn(1)-O(3) bond length is 2.20 Å. The Zn(1)-O(7) bond length is 2.26 Å. The Zn(1)-O(8) bond length is 2.03 Å. In the second Zn site, Zn(2) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(5), one O(6), and one O(9) atom. The Zn(2)-O(2) bond length is 2.06 Å. The Zn(2)-O(3) bond length is 2.25 Å. The Zn(2)-O(5) bond length is 2.13 Å. The Zn(2)-O(6) bond length is 2.07 Å. The Zn(2)-O(9) bond length is 2.00 Å. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(7), and one O(8) atom to form SiO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra and corners with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-55°. The Si(1)-O(1) bond length is 1.65 Å. The Si(1)-O(2) bond length is 1.64 Å. The Si(1)-O(7) bond length is 1.66 Å. The Si(1)-O(8) bond length is 1.65 Å. In the second Si site, Si(2) is bonded to one O(3), one O(4), one O(5), and one O(6) atom to form SiO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra and corners with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-54°. The Si(2)-O(3) bond length is 1.65 Å. The Si(2)-O(4) bond length is 1.64 Å. The Si(2)-O(5) bond length is 1.65 Å. The Si(2)-O(6) bond length is 1.67 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one V(2), one Zn(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(1), one Zn(2), and one Si(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one V(2), one Zn(1), one Zn(2), and one Si(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one V(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one V(1), one Zn(2), and one Si(2) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(2), one Zn(2), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Li(1), one V(1), one Zn(1), and one Si(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one V(2), one Zn(1), and one Si(1) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(1), one V(2), and one Zn(2) atom. In the tenth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one V(2), and one Zn(1) atom.