LiV2Zn2(SiO5)2 crystallizes in the triclinic P1 space group. Li(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 distorted LiO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and faces with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles are 49°. 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, corners with two equivalent Si(2)O4 tetrahedra, and faces with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles are 44°. 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 Li(1)O6 octahedra, 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 44-49°. 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(1), 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 Li(1)O6 octahedra, 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 27-55°. 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 Li(1)O6 octahedra, 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 27-55°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one V(2), one Zn(1), one Zn(2), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(1), one V(1), 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 distorted rectangular see-saw-like geometry to one Li(1), one V(1), one Zn(2), and one Si(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one V(2), one Zn(2), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular 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 distorted 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 4-coordinate 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 4-coordinate geometry to one Li(1), 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 to one O(10), one O(2), one O(4), one O(5), one O(7), and one O(9) atom to form distorted LiO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, and faces with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles are 49°. The Li(1)-O(10) bond length is 2.20 Å. The Li(1)-O(2) bond length is 2.06 Å. The Li(1)-O(4) bond length is 2.05 Å. The Li(1)-O(5) bond length is 2.17 Å. The Li(1)-O(7) bond length is 2.16 Å. The Li(1)-O(9) bond length is 2.19 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, corners with two equivalent Si(2)O4 tetrahedra, and faces with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles are 44°. The V(1)-O(10) bond length is 1.88 Å. The V(1)-O(2) bond length is 1.99 Å. The V(1)-O(4) bond length is 1.99 Å. The V(1)-O(5) bond length is 2.07 Å. The V(1)-O(7) bond length is 2.07 Å. The V(1)-O(9) bond length is 1.88 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 Li(1)O6 octahedra, 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 44-49°. The V(2)-O(1) bond length is 2.11 Å. The V(2)-O(10) bond length is 2.03 Å. The V(2)-O(3) bond length is 2.11 Å. The V(2)-O(6) bond length is 2.01 Å. The V(2)-O(8) bond length is 2.01 Å. The V(2)-O(9) bond length is 2.03 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 2.14 Å. The Zn(1)-O(10) bond length is 1.99 Å. The Zn(1)-O(3) bond length is 2.12 Å. The Zn(1)-O(7) bond length is 2.21 Å. The Zn(1)-O(8) bond length is 2.02 Å. In the second Zn site, Zn(2) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(5), one O(6), and one O(9) atom. The Zn(2)-O(1) bond length is 2.13 Å. The Zn(2)-O(3) bond length is 2.14 Å. The Zn(2)-O(5) bond length is 2.20 Å. The Zn(2)-O(6) bond length is 2.02 Å. The Zn(2)-O(9) bond length is 1.99 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 Li(1)O6 octahedra, 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 27-55°. The Si(1)-O(1) bond length is 1.66 Å. The Si(1)-O(2) bond length is 1.63 Å. The Si(1)-O(7) bond length is 1.67 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 Li(1)O6 octahedra, 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 27-55°. The Si(2)-O(3) bond length is 1.66 Å. The Si(2)-O(4) bond length is 1.63 Å. The Si(2)-O(5) bond length is 1.67 Å. The Si(2)-O(6) bond length is 1.65 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one V(2), one Zn(1), one Zn(2), and one Si(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Li(1), one V(1), 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 distorted rectangular see-saw-like geometry to one Li(1), one V(1), one Zn(2), and one Si(2) atom. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one V(2), one Zn(2), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular 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 distorted 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 4-coordinate 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 4-coordinate geometry to one Li(1), one V(1), one V(2), and one Zn(1) atom.