CrH18(O3F)3 crystallizes in the trigonal R3 space group. Cr(1) is bonded in an octahedral geometry to three equivalent O(1) and three equivalent O(2) atoms. There are six inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(3) and one F(1) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(3) and one F(1) atom. In the third H site, H(3) is bonded in a distorted linear geometry to one O(2) and one F(1) atom. In the fourth H site, H(4) is bonded in a linear geometry to one O(2) and one F(1) atom. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Cr(1), one H(5), and one H(6) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Cr(1), one H(3), and one H(4) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one H(1), one H(2), one H(5), and one H(6) atom. F(1) is bonded in a distorted tetrahedral geometry to one H(1), one H(2), one H(3), and one H(4) atom.
CrH18(O3F)3 crystallizes in the trigonal R3 space group. Cr(1) is bonded in an octahedral geometry to three equivalent O(1) and three equivalent O(2) atoms. All Cr(1)-O(1) bond lengths are 2.00 Å. All Cr(1)-O(2) bond lengths are 2.00 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(3) and one F(1) atom. The H(1)-O(3) bond length is 1.00 Å. The H(1)-F(1) bond length is 1.61 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(3) and one F(1) atom. The H(2)-O(3) bond length is 1.01 Å. The H(2)-F(1) bond length is 1.58 Å. In the third H site, H(3) is bonded in a distorted linear geometry to one O(2) and one F(1) atom. The H(3)-O(2) bond length is 1.01 Å. The H(3)-F(1) bond length is 1.57 Å. In the fourth H site, H(4) is bonded in a linear geometry to one O(2) and one F(1) atom. The H(4)-O(2) bond length is 1.01 Å. The H(4)-F(1) bond length is 1.55 Å. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. The H(5)-O(1) bond length is 1.01 Å. The H(5)-O(3) bond length is 1.62 Å. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. The H(6)-O(1) bond length is 1.01 Å. The H(6)-O(3) bond length is 1.64 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Cr(1), one H(5), and one H(6) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Cr(1), one H(3), and one H(4) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one H(1), one H(2), one H(5), and one H(6) atom. F(1) is bonded in a distorted tetrahedral geometry to one H(1), one H(2), one H(3), and one H(4) atom.