UY6O12 crystallizes in the trigonal R-3 space group. U(1) is bonded in an octahedral geometry to six equivalent O(2) atoms. Y(1) is bonded in a 7-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. There are two inequivalent O sites. In the first O site, O(2) is bonded in a 4-coordinate geometry to one U(1) and three equivalent Y(1) atoms. In the second O site, O(1) is bonded to four equivalent Y(1) atoms to form a mixture of corner and edge-sharing OY4 tetrahedra.
UY6O12 crystallizes in the trigonal R-3 space group. U(1) is bonded in an octahedral geometry to six equivalent O(2) atoms. All U(1)-O(2) bond lengths are 2.08 Å. Y(1) is bonded in a 7-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. There are a spread of Y(1)-O(2) bond distances ranging from 2.36-2.74 Å. There are a spread of Y(1)-O(1) bond distances ranging from 2.21-2.30 Å. There are two inequivalent O sites. In the first O site, O(2) is bonded in a 4-coordinate geometry to one U(1) and three equivalent Y(1) atoms. In the second O site, O(1) is bonded to four equivalent Y(1) atoms to form a mixture of corner and edge-sharing OY4 tetrahedra.