K2V2O5 crystallizes in the orthorhombic Ima2 space group. K(1) is bonded in a 8-coordinate geometry to one O(3), three equivalent O(2), and four equivalent O(1) atoms. There are two inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to two equivalent O(2) and four equivalent O(1) atoms. In the second V site, V(2) is bonded to two equivalent O(2) and two equivalent O(3) atoms to form corner-sharing VO4 tetrahedra. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to four equivalent K(1) and two equivalent V(1) atoms. In the second O site, O(2) is bonded in a 2-coordinate geometry to three equivalent K(1), one V(1), and one V(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent K(1) and two equivalent V(2) atoms.
K2V2O5 crystallizes in the orthorhombic Ima2 space group. K(1) is bonded in a 8-coordinate geometry to one O(3), three equivalent O(2), and four equivalent O(1) atoms. The K(1)-O(3) bond length is 2.66 Å. There are a spread of K(1)-O(2) bond distances ranging from 2.70-3.13 Å. There are a spread of K(1)-O(1) bond distances ranging from 2.66-2.84 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded in a 6-coordinate geometry to two equivalent O(2) and four equivalent O(1) atoms. Both V(1)-O(2) bond lengths are 2.10 Å. There are two shorter (1.76 Å) and two longer (2.57 Å) V(1)-O(1) bond lengths. In the second V site, V(2) is bonded to two equivalent O(2) and two equivalent O(3) atoms to form corner-sharing VO4 tetrahedra. Both V(2)-O(2) bond lengths are 1.78 Å. There is one shorter (1.86 Å) and one longer (1.88 Å) V(2)-O(3) bond length. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to four equivalent K(1) and two equivalent V(1) atoms. In the second O site, O(2) is bonded in a 2-coordinate geometry to three equivalent K(1), one V(1), and one V(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent K(1) and two equivalent V(2) atoms.