Y2ReO5 crystallizes in the tetragonal P4/n space group. Y(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), three equivalent O(1), and three equivalent O(2) atoms. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a distorted square co-planar geometry to four equivalent O(1) atoms. In the second Re site, Re(2) is bonded in a distorted square co-planar geometry to four equivalent O(2) atoms. There are four inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Y(1) and one Re(1) atom to form distorted OY3Re tetrahedra that share  a cornercorner with one O(3)Y4 tetrahedra, corners with three equivalent O(1)Y3Re tetrahedra, corners with three equivalent O(4)Y4 tetrahedra,  an edgeedge with one O(3)Y4 tetrahedra, and edges with three equivalent O(1)Y3Re tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to three equivalent Y(1) and one Re(2) atom. In the third O site, O(3) is bonded to four equivalent Y(1) atoms to form OY4 tetrahedra that share corners with four equivalent O(1)Y3Re tetrahedra, edges with two equivalent O(4)Y4 tetrahedra, and edges with four equivalent O(1)Y3Re tetrahedra. In the fourth O site, O(4) is bonded to four equivalent Y(1) atoms to form OY4 tetrahedra that share corners with twelve equivalent O(1)Y3Re tetrahedra and edges with two equivalent O(3)Y4 tetrahedra.
Y2ReO5 crystallizes in the tetragonal P4/n space group. Y(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), three equivalent O(1), and three equivalent O(2) atoms. The Y(1)-O(3) bond length is 2.24 Å. The Y(1)-O(4) bond length is 2.24 Å. There are a spread of Y(1)-O(1) bond distances ranging from 2.39-2.49 Å. There are a spread of Y(1)-O(2) bond distances ranging from 2.35-2.62 Å. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a distorted square co-planar geometry to four equivalent O(1) atoms. All Re(1)-O(1) bond lengths are 1.93 Å. In the second Re site, Re(2) is bonded in a distorted square co-planar geometry to four equivalent O(2) atoms. All Re(2)-O(2) bond lengths are 1.92 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded to three equivalent Y(1) and one Re(1) atom to form distorted OY3Re tetrahedra that share  a cornercorner with one O(3)Y4 tetrahedra, corners with three equivalent O(1)Y3Re tetrahedra, corners with three equivalent O(4)Y4 tetrahedra,  an edgeedge with one O(3)Y4 tetrahedra, and edges with three equivalent O(1)Y3Re tetrahedra. In the second O site, O(2) is bonded in a 4-coordinate geometry to three equivalent Y(1) and one Re(2) atom. In the third O site, O(3) is bonded to four equivalent Y(1) atoms to form OY4 tetrahedra that share corners with four equivalent O(1)Y3Re tetrahedra, edges with two equivalent O(4)Y4 tetrahedra, and edges with four equivalent O(1)Y3Re tetrahedra. In the fourth O site, O(4) is bonded to four equivalent Y(1) atoms to form OY4 tetrahedra that share corners with twelve equivalent O(1)Y3Re tetrahedra and edges with two equivalent O(3)Y4 tetrahedra.