Ca(H2O)7H2O(I)2 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of four hydriodic acid atoms, two water molecules, and one Ca(H2O)7 cluster. In the Ca(H2O)7 cluster, Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(7), one O(8), and two equivalent O(3) atoms. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(1) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(1) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(7) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(2) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one O(8) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(7) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(8) atom. In the fourteenth H site, H(16) is bonded in a single-bond geometry to one O(5) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Ca(1), one H(7), and one H(8) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Ca(1), one H(10), and one H(2) atom. In the third O site, O(3) is bonded in a water-like geometry to two equivalent Ca(1), one H(3), and one H(4) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Ca(1), one H(5), and one H(6) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Ca(1), one H(1), and one H(16) atom. In the sixth O site, O(7) is bonded in a distorted water-like geometry to one Ca(1), one H(12), and one H(9) atom. In the seventh O site, O(8) is bonded in a distorted water-like geometry to one Ca(1), one H(11), and one H(13) atom.
Ca(H2O)7H2O(I)2 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of four hydriodic acid atoms, two water molecules, and one Ca(H2O)7 cluster. In the Ca(H2O)7 cluster, Ca(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(7), one O(8), and two equivalent O(3) atoms. The Ca(1)-O(1) bond length is 2.43 Å. The Ca(1)-O(2) bond length is 2.43 Å. The Ca(1)-O(4) bond length is 2.40 Å. The Ca(1)-O(5) bond length is 2.58 Å. The Ca(1)-O(7) bond length is 2.44 Å. The Ca(1)-O(8) bond length is 2.42 Å. There is one shorter (2.60 Å) and one longer (2.63 Å) Ca(1)-O(3) bond length. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. The H(1)-O(5) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. The H(3)-O(3) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(3) atom. The H(4)-O(3) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(4) atom. The H(5)-O(4) bond length is 0.99 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(4) atom. The H(6)-O(4) bond length is 0.97 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(1) atom. The H(7)-O(1) bond length is 0.98 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(1) atom. The H(8)-O(1) bond length is 0.99 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(7) atom. The H(9)-O(7) bond length is 0.98 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(2) atom. The H(10)-O(2) bond length is 0.99 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one O(8) atom. The H(11)-O(8) bond length is 0.98 Å. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(7) atom. The H(12)-O(7) bond length is 0.98 Å. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(8) atom. The H(13)-O(8) bond length is 0.98 Å. In the fourteenth H site, H(16) is bonded in a single-bond geometry to one O(5) atom. The H(16)-O(5) bond length is 1.00 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Ca(1), one H(7), and one H(8) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Ca(1), one H(10), and one H(2) atom. In the third O site, O(3) is bonded in a water-like geometry to two equivalent Ca(1), one H(3), and one H(4) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Ca(1), one H(5), and one H(6) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Ca(1), one H(1), and one H(16) atom. In the sixth O site, O(7) is bonded in a distorted water-like geometry to one Ca(1), one H(12), and one H(9) atom. In the seventh O site, O(8) is bonded in a distorted water-like geometry to one Ca(1), one H(11), and one H(13) atom.