Ce(O4Cl)4 is Indium-like structured and crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four Ce(O4Cl)4 clusters. Ce(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(9) atom to form distorted CeO8 hexagonal bipyramids that share  an edgeedge with one Cl(1)O4 tetrahedra,  an edgeedge with one Cl(2)O4 tetrahedra,  an edgeedge with one Cl(3)O4 tetrahedra, and  an edgeedge with one Cl(4)O4 tetrahedra. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Ce(1) and one Cl(4) atom. In the second O site, O(2) is bonded in a water-like geometry to one Ce(1) and one Cl(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Ce(1) and one Cl(4) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Ce(1) and one Cl(1) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Ce(1) and one Cl(2) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Ce(1) and one Cl(2) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one Ce(1) and one Cl(3) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one Cl(3) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Ce(1) and one Cl(3) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Cl(2) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cl(4) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one Cl(4) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Cl(3) atom. In the fourteenth O site, O(14) is bonded in a single-bond geometry to one Cl(1) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Cl(1) atom. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Cl(2) atom. There are four inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one O(14), one O(15), one O(2), and one O(4) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid. In the second Cl site, Cl(2) is bonded to one O(10), one O(16), one O(5), and one O(6) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid. In the third Cl site, Cl(3) is bonded to one O(13), one O(7), one O(8), and one O(9) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid. In the fourth Cl site, Cl(4) is bonded to one O(1), one O(11), one O(12), and one O(3) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid.
Ce(O4Cl)4 is Indium-like structured and crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four Ce(O4Cl)4 clusters. Ce(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(9) atom to form distorted CeO8 hexagonal bipyramids that share  an edgeedge with one Cl(1)O4 tetrahedra,  an edgeedge with one Cl(2)O4 tetrahedra,  an edgeedge with one Cl(3)O4 tetrahedra, and  an edgeedge with one Cl(4)O4 tetrahedra. The Ce(1)-O(1) bond length is 2.42 Å. The Ce(1)-O(2) bond length is 2.41 Å. The Ce(1)-O(3) bond length is 2.37 Å. The Ce(1)-O(4) bond length is 2.38 Å. The Ce(1)-O(5) bond length is 2.40 Å. The Ce(1)-O(6) bond length is 2.39 Å. The Ce(1)-O(7) bond length is 2.38 Å. The Ce(1)-O(9) bond length is 2.41 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Ce(1) and one Cl(4) atom. The O(1)-Cl(4) bond length is 1.52 Å. In the second O site, O(2) is bonded in a water-like geometry to one Ce(1) and one Cl(1) atom. The O(2)-Cl(1) bond length is 1.53 Å. In the third O site, O(3) is bonded in a water-like geometry to one Ce(1) and one Cl(4) atom. The O(3)-Cl(4) bond length is 1.54 Å. In the fourth O site, O(4) is bonded in a water-like geometry to one Ce(1) and one Cl(1) atom. The O(4)-Cl(1) bond length is 1.53 Å. In the fifth O site, O(5) is bonded in a water-like geometry to one Ce(1) and one Cl(2) atom. The O(5)-Cl(2) bond length is 1.52 Å. In the sixth O site, O(6) is bonded in a water-like geometry to one Ce(1) and one Cl(2) atom. The O(6)-Cl(2) bond length is 1.53 Å. In the seventh O site, O(7) is bonded in a water-like geometry to one Ce(1) and one Cl(3) atom. The O(7)-Cl(3) bond length is 1.53 Å. In the eighth O site, O(8) is bonded in a single-bond geometry to one Cl(3) atom. The O(8)-Cl(3) bond length is 1.42 Å. In the ninth O site, O(9) is bonded in a water-like geometry to one Ce(1) and one Cl(3) atom. The O(9)-Cl(3) bond length is 1.52 Å. In the tenth O site, O(10) is bonded in a single-bond geometry to one Cl(2) atom. The O(10)-Cl(2) bond length is 1.42 Å. In the eleventh O site, O(11) is bonded in a single-bond geometry to one Cl(4) atom. The O(11)-Cl(4) bond length is 1.42 Å. In the twelfth O site, O(12) is bonded in a single-bond geometry to one Cl(4) atom. The O(12)-Cl(4) bond length is 1.42 Å. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Cl(3) atom. The O(13)-Cl(3) bond length is 1.42 Å. In the fourteenth O site, O(14) is bonded in a single-bond geometry to one Cl(1) atom. The O(14)-Cl(1) bond length is 1.42 Å. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Cl(1) atom. The O(15)-Cl(1) bond length is 1.42 Å. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one Cl(2) atom. The O(16)-Cl(2) bond length is 1.42 Å. There are four inequivalent Cl sites. In the first Cl site, Cl(1) is bonded to one O(14), one O(15), one O(2), and one O(4) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid. In the second Cl site, Cl(2) is bonded to one O(10), one O(16), one O(5), and one O(6) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid. In the third Cl site, Cl(3) is bonded to one O(13), one O(7), one O(8), and one O(9) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid. In the fourth Cl site, Cl(4) is bonded to one O(1), one O(11), one O(12), and one O(3) atom to form ClO4 tetrahedra that share  an edgeedge with one Ce(1)O8 hexagonal bipyramid.