(K3UC5H2O12)2(H2)3 crystallizes in the triclinic P-1 space group. The structure consists of four 1333-74-0 molecules inside a K3UC5H2O12 framework. In the K3UC5H2O12 framework, there are three inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one H(3), one O(12), one O(2), one O(3), one O(8), and one O(9) atom. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(10), one O(3), one O(4), one O(7), two equivalent O(1), and two equivalent O(9) atoms. In the third K site, K(3) is bonded to one H(1), one O(11), one O(6), and one O(8) atom to form distorted KHO3 tetrahedra that share  a cornercorner with one U(1)O7 pentagonal bipyramid and  an edgeedge with one U(1)O7 pentagonal bipyramid. U(1) is bonded to one O(11), one O(12), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one K(3)HO3 tetrahedra and  an edgeedge with one K(3)HO3 tetrahedra. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(5) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(3) atom. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(11) atom. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(12) and one O(9) atom. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(6) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one K(3) atom. In the second H site, H(3) is bonded in a single-bond geometry to one K(1) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(2) and one C(5) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one K(1), one U(1), and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(2) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one K(3), one U(1), and one C(5) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one K(2) and one U(1) atom. In the eighth O site, O(8) is bonded in a 1-coordinate geometry to one K(1), one K(3), and one U(1) atom. In the ninth O site, O(9) is bonded in a 1-coordinate geometry to one K(1), two equivalent K(2), and one C(4) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one K(2) and one C(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one K(3), one U(1), and one C(3) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one K(1), one U(1), and one C(4) atom.
(K3UC5H2O12)2(H2)3 crystallizes in the triclinic P-1 space group. The structure consists of four 1333-74-0 molecules inside a K3UC5H2O12 framework. In the K3UC5H2O12 framework, there are three inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one H(3), one O(12), one O(2), one O(3), one O(8), and one O(9) atom. The K(1)-H(3) bond length is 2.96 Å. The K(1)-O(12) bond length is 2.82 Å. The K(1)-O(2) bond length is 2.64 Å. The K(1)-O(3) bond length is 2.67 Å. The K(1)-O(8) bond length is 3.01 Å. The K(1)-O(9) bond length is 2.59 Å. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(10), one O(3), one O(4), one O(7), two equivalent O(1), and two equivalent O(9) atoms. The K(2)-O(10) bond length is 2.82 Å. The K(2)-O(3) bond length is 2.74 Å. The K(2)-O(4) bond length is 2.70 Å. The K(2)-O(7) bond length is 2.96 Å. There is one shorter (2.94 Å) and one longer (3.20 Å) K(2)-O(1) bond length. There is one shorter (2.75 Å) and one longer (3.37 Å) K(2)-O(9) bond length. In the third K site, K(3) is bonded to one H(1), one O(11), one O(6), and one O(8) atom to form distorted KHO3 tetrahedra that share  a cornercorner with one U(1)O7 pentagonal bipyramid and  an edgeedge with one U(1)O7 pentagonal bipyramid. The K(3)-H(1) bond length is 2.80 Å. The K(3)-O(11) bond length is 2.69 Å. The K(3)-O(6) bond length is 2.68 Å. The K(3)-O(8) bond length is 2.66 Å. U(1) is bonded to one O(11), one O(12), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one K(3)HO3 tetrahedra and  an edgeedge with one K(3)HO3 tetrahedra. The U(1)-O(11) bond length is 2.40 Å. The U(1)-O(12) bond length is 2.45 Å. The U(1)-O(2) bond length is 2.38 Å. The U(1)-O(5) bond length is 2.33 Å. The U(1)-O(6) bond length is 2.39 Å. The U(1)-O(7) bond length is 1.82 Å. The U(1)-O(8) bond length is 1.85 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(5) atom. The C(1)-O(4) bond length is 1.24 Å. The C(1)-O(5) bond length is 1.30 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(3) atom. The C(2)-O(2) bond length is 1.29 Å. The C(2)-O(3) bond length is 1.24 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(11) atom. The C(3)-O(10) bond length is 1.23 Å. The C(3)-O(11) bond length is 1.31 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(12) and one O(9) atom. The C(4)-O(12) bond length is 1.29 Å. The C(4)-O(9) bond length is 1.25 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(6) atom. The C(5)-O(1) bond length is 1.24 Å. The C(5)-O(6) bond length is 1.30 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one K(3) atom. In the second H site, H(3) is bonded in a single-bond geometry to one K(1) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(2) and one C(5) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one K(1), one U(1), and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(2) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one U(1) and one C(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one K(3), one U(1), and one C(5) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one K(2) and one U(1) atom. In the eighth O site, O(8) is bonded in a 1-coordinate geometry to one K(1), one K(3), and one U(1) atom. In the ninth O site, O(9) is bonded in a 1-coordinate geometry to one K(1), two equivalent K(2), and one C(4) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one K(2) and one C(3) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one K(3), one U(1), and one C(3) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one K(1), one U(1), and one C(4) atom.