VZnAsO5 crystallizes in the orthorhombic P2_12_12_1 space group. V(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(5) atoms to form VO6 octahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with four equivalent As(1)O4 tetrahedra, edges with two equivalent V(1)O6 octahedra, and  an edgeedge with one Zn(1)O4 tetrahedra. Zn(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form distorted ZnO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra, corners with three equivalent As(1)O4 tetrahedra, and  an edgeedge with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-60°. As(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form AsO4 tetrahedra that share corners with four equivalent V(1)O6 octahedra and corners with three equivalent Zn(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-59°. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent V(1) and one As(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one As(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one Zn(1), and one As(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one V(1), one Zn(1), and one As(1) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to two equivalent V(1) and one Zn(1) atom.
VZnAsO5 crystallizes in the orthorhombic P2_12_12_1 space group. V(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(5) atoms to form VO6 octahedra that share corners with two equivalent Zn(1)O4 tetrahedra, corners with four equivalent As(1)O4 tetrahedra, edges with two equivalent V(1)O6 octahedra, and  an edgeedge with one Zn(1)O4 tetrahedra. The V(1)-O(3) bond length is 2.13 Å. The V(1)-O(4) bond length is 2.08 Å. There is one shorter (2.11 Å) and one longer (2.12 Å) V(1)-O(1) bond length. There is one shorter (1.93 Å) and one longer (1.99 Å) V(1)-O(5) bond length. Zn(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form distorted ZnO4 tetrahedra that share corners with two equivalent V(1)O6 octahedra, corners with three equivalent As(1)O4 tetrahedra, and  an edgeedge with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-60°. The Zn(1)-O(2) bond length is 1.90 Å. The Zn(1)-O(3) bond length is 2.33 Å. The Zn(1)-O(4) bond length is 2.13 Å. The Zn(1)-O(5) bond length is 1.89 Å. As(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form AsO4 tetrahedra that share corners with four equivalent V(1)O6 octahedra and corners with three equivalent Zn(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-59°. The As(1)-O(1) bond length is 1.73 Å. The As(1)-O(2) bond length is 1.71 Å. The As(1)-O(3) bond length is 1.72 Å. The As(1)-O(4) bond length is 1.75 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent V(1) and one As(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one As(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one V(1), one Zn(1), and one As(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one V(1), one Zn(1), and one As(1) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to two equivalent V(1) and one Zn(1) atom.