RbU2C4H5O15 crystallizes in the monoclinic P2_1/m space group. Rb(1) is bonded in a 9-coordinate geometry to one H(3), two equivalent O(3), two equivalent O(4), two equivalent O(7), and two equivalent O(8) atoms. U(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted corner-sharing UO7 pentagonal bipyramids. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(7) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(5) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(8) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(6) and one O(9) atom. In the third H site, H(3) is bonded in a single-bond geometry to one Rb(1) and one O(9) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(9) atom. There are nine inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to one U(1) and one C(2) atom. In the second O site, O(6) is bonded in a distorted single-bond geometry to two equivalent U(1) and one H(2) atom. In the third O site, O(7) is bonded in a distorted single-bond geometry to one Rb(1), one U(1), and one C(1) atom. In the fourth O site, O(8) is bonded in a water-like geometry to two equivalent Rb(1) and two equivalent H(1) atoms. In the fifth O site, O(9) is bonded in a distorted water-like geometry to one H(2), one H(3), and one H(4) atom. In the sixth O site, O(1) is bonded in a single-bond geometry to one U(1) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to one U(1) and one C(2) atom. In the eighth O site, O(3) is bonded in a distorted single-bond geometry to one Rb(1), one U(1), and one C(1) atom. In the ninth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1) and one U(1) atom.
RbU2C4H5O15 crystallizes in the monoclinic P2_1/m space group. Rb(1) is bonded in a 9-coordinate geometry to one H(3), two equivalent O(3), two equivalent O(4), two equivalent O(7), and two equivalent O(8) atoms. The Rb(1)-H(3) bond length is 2.90 Å. Both Rb(1)-O(3) bond lengths are 3.28 Å. Both Rb(1)-O(4) bond lengths are 3.03 Å. Both Rb(1)-O(7) bond lengths are 2.94 Å. There is one shorter (3.22 Å) and one longer (3.26 Å) Rb(1)-O(8) bond length. U(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted corner-sharing UO7 pentagonal bipyramids. The U(1)-O(1) bond length is 1.80 Å. The U(1)-O(2) bond length is 2.47 Å. The U(1)-O(3) bond length is 2.44 Å. The U(1)-O(4) bond length is 1.81 Å. The U(1)-O(5) bond length is 2.47 Å. The U(1)-O(6) bond length is 2.31 Å. The U(1)-O(7) bond length is 2.49 Å. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(7) atom. The C(1)-O(3) bond length is 1.27 Å. The C(1)-O(7) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(5) atom. The C(2)-O(2) bond length is 1.27 Å. The C(2)-O(5) bond length is 1.26 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(8) atom. The H(1)-O(8) bond length is 0.98 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(6) and one O(9) atom. The H(2)-O(6) bond length is 1.00 Å. The H(2)-O(9) bond length is 1.65 Å. In the third H site, H(3) is bonded in a single-bond geometry to one Rb(1) and one O(9) atom. The H(3)-O(9) bond length is 0.97 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(9) atom. The H(4)-O(9) bond length is 0.97 Å. There are nine inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to one U(1) and one C(2) atom. In the second O site, O(6) is bonded in a distorted single-bond geometry to two equivalent U(1) and one H(2) atom. In the third O site, O(7) is bonded in a distorted single-bond geometry to one Rb(1), one U(1), and one C(1) atom. In the fourth O site, O(8) is bonded in a water-like geometry to two equivalent Rb(1) and two equivalent H(1) atoms. In the fifth O site, O(9) is bonded in a distorted water-like geometry to one H(2), one H(3), and one H(4) atom. In the sixth O site, O(1) is bonded in a single-bond geometry to one U(1) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to one U(1) and one C(2) atom. In the eighth O site, O(3) is bonded in a distorted single-bond geometry to one Rb(1), one U(1), and one C(1) atom. In the ninth O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1) and one U(1) atom.