EuZrVSnO6 crystallizes in the orthorhombic P222 space group. There are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form EuO12 cuboctahedra that share faces with four equivalent Zr(1)O6 octahedra and faces with four equivalent V(1)O6 octahedra. In the second Eu site, Eu(2) is bonded to four equivalent O(4), four equivalent O(5), and four equivalent O(6) atoms to form EuO12 cuboctahedra that share faces with four equivalent Zr(1)O6 octahedra and faces with four equivalent V(1)O6 octahedra. In the third Eu site, Eu(3) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(5) atoms. In the fourth Eu site, Eu(4) is bonded in a 8-coordinate geometry to four equivalent O(1) and four equivalent O(6) atoms. Zr(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form ZrO6 octahedra that share corners with six equivalent V(1)O6 octahedra,  a faceface with one Eu(1)O12 cuboctahedra, and  a faceface with one Eu(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 18-24°. V(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form VO6 octahedra that share corners with six equivalent Zr(1)O6 octahedra,  a faceface with one Eu(1)O12 cuboctahedra, and  a faceface with one Eu(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 18-24°. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a square co-planar geometry to four equivalent O(6) atoms. In the second Sn site, Sn(2) is bonded in a square co-planar geometry to four equivalent O(4) atoms. In the third Sn site, Sn(3) is bonded in a square co-planar geometry to four equivalent O(2) atoms. In the fourth Sn site, Sn(4) is bonded in a square co-planar geometry to four equivalent O(3) atoms. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to one Eu(2), one Eu(3), one Zr(1), and one V(1) atom. In the second O site, O(6) is bonded in a 2-coordinate geometry to one Eu(2), one Eu(4), one Zr(1), one V(1), and one Sn(1) atom. In the third O site, O(1) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(3), one Eu(4), one Zr(1), and one V(1) atom. In the fourth O site, O(2) is bonded in a 4-coordinate geometry to one Eu(1), one Zr(1), one V(1), and one Sn(3) atom. In the fifth O site, O(3) is bonded in a 4-coordinate geometry to one Eu(1), one Zr(1), one V(1), and one Sn(4) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Eu(2), one Zr(1), one V(1), and one Sn(2) atom.
EuZrVSnO6 crystallizes in the orthorhombic P222 space group. There are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form EuO12 cuboctahedra that share faces with four equivalent Zr(1)O6 octahedra and faces with four equivalent V(1)O6 octahedra. All Eu(1)-O(1) bond lengths are 2.92 Å. All Eu(1)-O(2) bond lengths are 2.81 Å. All Eu(1)-O(3) bond lengths are 2.83 Å. In the second Eu site, Eu(2) is bonded to four equivalent O(4), four equivalent O(5), and four equivalent O(6) atoms to form EuO12 cuboctahedra that share faces with four equivalent Zr(1)O6 octahedra and faces with four equivalent V(1)O6 octahedra. All Eu(2)-O(4) bond lengths are 2.86 Å. All Eu(2)-O(5) bond lengths are 2.82 Å. All Eu(2)-O(6) bond lengths are 2.86 Å. In the third Eu site, Eu(3) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(5) atoms. All Eu(3)-O(1) bond lengths are 2.94 Å. All Eu(3)-O(5) bond lengths are 2.45 Å. In the fourth Eu site, Eu(4) is bonded in a 8-coordinate geometry to four equivalent O(1) and four equivalent O(6) atoms. All Eu(4)-O(1) bond lengths are 2.49 Å. All Eu(4)-O(6) bond lengths are 2.88 Å. Zr(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form ZrO6 octahedra that share corners with six equivalent V(1)O6 octahedra,  a faceface with one Eu(1)O12 cuboctahedra, and  a faceface with one Eu(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 18-24°. The Zr(1)-O(1) bond length is 2.06 Å. The Zr(1)-O(2) bond length is 2.12 Å. The Zr(1)-O(3) bond length is 2.10 Å. The Zr(1)-O(4) bond length is 2.06 Å. The Zr(1)-O(5) bond length is 2.11 Å. The Zr(1)-O(6) bond length is 2.12 Å. V(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form VO6 octahedra that share corners with six equivalent Zr(1)O6 octahedra,  a faceface with one Eu(1)O12 cuboctahedra, and  a faceface with one Eu(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 18-24°. The V(1)-O(1) bond length is 2.03 Å. The V(1)-O(2) bond length is 2.02 Å. The V(1)-O(3) bond length is 2.06 Å. The V(1)-O(4) bond length is 1.96 Å. The V(1)-O(5) bond length is 2.07 Å. The V(1)-O(6) bond length is 2.07 Å. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a square co-planar geometry to four equivalent O(6) atoms. All Sn(1)-O(6) bond lengths are 2.51 Å. In the second Sn site, Sn(2) is bonded in a square co-planar geometry to four equivalent O(4) atoms. All Sn(2)-O(4) bond lengths are 2.54 Å. In the third Sn site, Sn(3) is bonded in a square co-planar geometry to four equivalent O(2) atoms. All Sn(3)-O(2) bond lengths are 2.52 Å. In the fourth Sn site, Sn(4) is bonded in a square co-planar geometry to four equivalent O(3) atoms. All Sn(4)-O(3) bond lengths are 2.49 Å. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to one Eu(2), one Eu(3), one Zr(1), and one V(1) atom. In the second O site, O(6) is bonded in a 2-coordinate geometry to one Eu(2), one Eu(4), one Zr(1), one V(1), and one Sn(1) atom. In the third O site, O(1) is bonded in a 5-coordinate geometry to one Eu(1), one Eu(3), one Eu(4), one Zr(1), and one V(1) atom. In the fourth O site, O(2) is bonded in a 4-coordinate geometry to one Eu(1), one Zr(1), one V(1), and one Sn(3) atom. In the fifth O site, O(3) is bonded in a 4-coordinate geometry to one Eu(1), one Zr(1), one V(1), and one Sn(4) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Eu(2), one Zr(1), one V(1), and one Sn(2) atom.