K2CoH4(O7I2)2 crystallizes in the triclinic P1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(11), one O(18), one O(20), one O(26), one O(28), one O(5), one O(7), 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(12), one O(17), one O(19), one O(25), one O(27), one O(6), and one O(8) atom. In the third K site, K(3) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(14), one O(15), one O(21), one O(24), one O(5), and one O(7) atom. In the fourth K site, K(4) is bonded in a 8-coordinate geometry to one O(11), one O(13), one O(16), one O(22), one O(23), one O(6), one O(8), and one O(9) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to one O(18), one O(19), one O(2), one O(26), one O(27), and one O(3) atom. In the second Co site, Co(2) is bonded in an octahedral geometry to one O(1), one O(17), one O(20), one O(25), one O(28), and one O(4) atom. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(23) and one O(3) atom. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(24) and one O(4) atom. In the third H site, H(3) is bonded in a distorted single-bond geometry to one O(21) and one O(3) atom. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(22) and one O(4) atom. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(1) and one O(15) atom. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(16) and one O(2) atom. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(1) and one O(13) atom. In the eighth H site, H(8) is bonded in a distorted single-bond geometry to one O(14) and one O(2) atom. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(2), one H(5), and one H(7) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Co(1), one H(6), and one H(8) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one H(1), and one H(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(2), one H(2), and one H(4) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one K(1), one K(3), and one I(6) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(2), one K(4), and one I(5) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one K(3), and one I(8) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(2), one K(4), and one I(7) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one K(1), one K(4), one I(1), and one I(8) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one K(2), one K(3), one I(2), and one I(7) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one K(1), one K(4), one I(4), and one I(5) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one K(2), one K(3), one I(3), and one I(6) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal non-coplanar geometry to one K(4), one H(7), and one I(1) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one K(3), one H(8), and one I(2) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one K(3), one H(5), and one I(4) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one K(4), one H(6), and one I(3) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Co(2), and one I(1) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Co(1), and one I(2) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Co(1), and one I(3) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Co(2), and one I(4) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one K(3), one H(3), and one I(6) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one K(4), one H(4), and one I(5) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one K(4), one H(1), and one I(8) atom. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one K(3), one H(2), and one I(7) atom. In the twenty-fifth O site, O(25) is bonded in a distorted bent 120 degrees geometry to one K(2), one Co(2), and one I(5) atom. In the twenty-sixth O site, O(26) is bonded in a bent 120 degrees geometry to one K(1), one Co(1), and one I(6) atom. In the twenty-seventh O site, O(27) is bonded in a bent 120 degrees geometry to one K(2), one Co(1), and one I(7) atom. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one K(1), one Co(2), and one I(8) atom. There are eight inequivalent I sites. In the first I site, I(1) is bonded in a distorted trigonal non-coplanar geometry to one O(13), one O(17), and one O(9) atom. In the second I site, I(2) is bonded in a distorted trigonal non-coplanar geometry to one O(10), one O(14), and one O(18) atom. In the third I site, I(3) is bonded in a distorted trigonal non-coplanar geometry to one O(12), one O(16), and one O(19) atom. In the fourth I site, I(4) is bonded in a distorted trigonal non-coplanar geometry to one O(11), one O(15), and one O(20) atom. In the fifth I site, I(5) is bonded in a 3-coordinate geometry to one O(11), one O(22), one O(25), and one O(6) atom. In the sixth I site, I(6) is bonded in a 3-coordinate geometry to one O(12), one O(21), one O(26), and one O(5) atom. In the seventh I site, I(7) is bonded in a 3-coordinate geometry to one O(10), one O(24), one O(27), and one O(8) atom. In the eighth I site, I(8) is bonded in a 3-coordinate geometry to one O(23), one O(28), one O(7), and one O(9) atom.
K2CoH4(O7I2)2 crystallizes in the triclinic P1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(11), one O(18), one O(20), one O(26), one O(28), one O(5), one O(7), and one O(9) atom. The K(1)-O(11) bond length is 2.82 Å. The K(1)-O(18) bond length is 2.92 Å. The K(1)-O(20) bond length is 2.91 Å. The K(1)-O(26) bond length is 3.21 Å. The K(1)-O(28) bond length is 3.22 Å. The K(1)-O(5) bond length is 2.76 Å. The K(1)-O(7) bond length is 2.76 Å. The K(1)-O(9) bond length is 2.80 Å. In the second K site, K(2) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(17), one O(19), one O(25), one O(27), one O(6), and one O(8) atom. The K(2)-O(10) bond length is 2.80 Å. The K(2)-O(12) bond length is 2.82 Å. The K(2)-O(17) bond length is 2.91 Å. The K(2)-O(19) bond length is 2.92 Å. The K(2)-O(25) bond length is 3.20 Å. The K(2)-O(27) bond length is 3.23 Å. The K(2)-O(6) bond length is 2.76 Å. The K(2)-O(8) bond length is 2.76 Å. In the third K site, K(3) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(14), one O(15), one O(21), one O(24), one O(5), and one O(7) atom. The K(3)-O(10) bond length is 2.83 Å. The K(3)-O(12) bond length is 2.83 Å. The K(3)-O(14) bond length is 2.86 Å. The K(3)-O(15) bond length is 2.84 Å. The K(3)-O(21) bond length is 3.03 Å. The K(3)-O(24) bond length is 3.01 Å. The K(3)-O(5) bond length is 2.80 Å. The K(3)-O(7) bond length is 2.80 Å. In the fourth K site, K(4) is bonded in a 8-coordinate geometry to one O(11), one O(13), one O(16), one O(22), one O(23), one O(6), one O(8), and one O(9) atom. The K(4)-O(11) bond length is 2.83 Å. The K(4)-O(13) bond length is 2.86 Å. The K(4)-O(16) bond length is 2.84 Å. The K(4)-O(22) bond length is 3.03 Å. The K(4)-O(23) bond length is 3.01 Å. The K(4)-O(6) bond length is 2.80 Å. The K(4)-O(8) bond length is 2.80 Å. The K(4)-O(9) bond length is 2.83 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to one O(18), one O(19), one O(2), one O(26), one O(27), and one O(3) atom. The Co(1)-O(18) bond length is 2.22 Å. The Co(1)-O(19) bond length is 2.17 Å. The Co(1)-O(2) bond length is 2.08 Å. The Co(1)-O(26) bond length is 2.12 Å. The Co(1)-O(27) bond length is 2.15 Å. The Co(1)-O(3) bond length is 2.04 Å. In the second Co site, Co(2) is bonded in an octahedral geometry to one O(1), one O(17), one O(20), one O(25), one O(28), and one O(4) atom. The Co(2)-O(1) bond length is 2.08 Å. The Co(2)-O(17) bond length is 2.22 Å. The Co(2)-O(20) bond length is 2.16 Å. The Co(2)-O(25) bond length is 2.12 Å. The Co(2)-O(28) bond length is 2.15 Å. The Co(2)-O(4) bond length is 2.04 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(23) and one O(3) atom. The H(1)-O(23) bond length is 1.68 Å. The H(1)-O(3) bond length is 1.00 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(24) and one O(4) atom. The H(2)-O(24) bond length is 1.68 Å. The H(2)-O(4) bond length is 1.00 Å. In the third H site, H(3) is bonded in a distorted single-bond geometry to one O(21) and one O(3) atom. The H(3)-O(21) bond length is 1.68 Å. The H(3)-O(3) bond length is 1.00 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(22) and one O(4) atom. The H(4)-O(22) bond length is 1.68 Å. The H(4)-O(4) bond length is 1.00 Å. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(1) and one O(15) atom. The H(5)-O(1) bond length is 1.00 Å. The H(5)-O(15) bond length is 1.68 Å. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(16) and one O(2) atom. The H(6)-O(16) bond length is 1.68 Å. The H(6)-O(2) bond length is 1.00 Å. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(1) and one O(13) atom. The H(7)-O(1) bond length is 1.00 Å. The H(7)-O(13) bond length is 1.66 Å. In the eighth H site, H(8) is bonded in a distorted single-bond geometry to one O(14) and one O(2) atom. The H(8)-O(14) bond length is 1.66 Å. The H(8)-O(2) bond length is 1.00 Å. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(2), one H(5), and one H(7) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Co(1), one H(6), and one H(8) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one H(1), and one H(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(2), one H(2), and one H(4) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one K(1), one K(3), and one I(6) atom. The O(5)-I(6) bond length is 1.84 Å. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one K(2), one K(4), and one I(5) atom. The O(6)-I(5) bond length is 1.84 Å. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one K(3), and one I(8) atom. The O(7)-I(8) bond length is 1.84 Å. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one K(2), one K(4), and one I(7) atom. The O(8)-I(7) bond length is 1.84 Å. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one K(1), one K(4), one I(1), and one I(8) atom. The O(9)-I(1) bond length is 1.84 Å. The O(9)-I(8) bond length is 2.70 Å. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one K(2), one K(3), one I(2), and one I(7) atom. The O(10)-I(2) bond length is 1.84 Å. The O(10)-I(7) bond length is 2.71 Å. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one K(1), one K(4), one I(4), and one I(5) atom. The O(11)-I(4) bond length is 1.84 Å. The O(11)-I(5) bond length is 2.70 Å. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one K(2), one K(3), one I(3), and one I(6) atom. The O(12)-I(3) bond length is 1.84 Å. The O(12)-I(6) bond length is 2.70 Å. In the thirteenth O site, O(13) is bonded in a distorted trigonal non-coplanar geometry to one K(4), one H(7), and one I(1) atom. The O(13)-I(1) bond length is 1.85 Å. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one K(3), one H(8), and one I(2) atom. The O(14)-I(2) bond length is 1.85 Å. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one K(3), one H(5), and one I(4) atom. The O(15)-I(4) bond length is 1.85 Å. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one K(4), one H(6), and one I(3) atom. The O(16)-I(3) bond length is 1.85 Å. In the seventeenth O site, O(17) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Co(2), and one I(1) atom. The O(17)-I(1) bond length is 1.84 Å. In the eighteenth O site, O(18) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Co(1), and one I(2) atom. The O(18)-I(2) bond length is 1.84 Å. In the nineteenth O site, O(19) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one Co(1), and one I(3) atom. The O(19)-I(3) bond length is 1.85 Å. In the twentieth O site, O(20) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Co(2), and one I(4) atom. The O(20)-I(4) bond length is 1.85 Å. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one K(3), one H(3), and one I(6) atom. The O(21)-I(6) bond length is 1.83 Å. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one K(4), one H(4), and one I(5) atom. The O(22)-I(5) bond length is 1.83 Å. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one K(4), one H(1), and one I(8) atom. The O(23)-I(8) bond length is 1.83 Å. In the twenty-fourth O site, O(24) is bonded in a 3-coordinate geometry to one K(3), one H(2), and one I(7) atom. The O(24)-I(7) bond length is 1.83 Å. In the twenty-fifth O site, O(25) is bonded in a distorted bent 120 degrees geometry to one K(2), one Co(2), and one I(5) atom. The O(25)-I(5) bond length is 1.86 Å. In the twenty-sixth O site, O(26) is bonded in a bent 120 degrees geometry to one K(1), one Co(1), and one I(6) atom. The O(26)-I(6) bond length is 1.86 Å. In the twenty-seventh O site, O(27) is bonded in a bent 120 degrees geometry to one K(2), one Co(1), and one I(7) atom. The O(27)-I(7) bond length is 1.86 Å. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one K(1), one Co(2), and one I(8) atom. The O(28)-I(8) bond length is 1.85 Å. There are eight inequivalent I sites. In the first I site, I(1) is bonded in a distorted trigonal non-coplanar geometry to one O(13), one O(17), and one O(9) atom. In the second I site, I(2) is bonded in a distorted trigonal non-coplanar geometry to one O(10), one O(14), and one O(18) atom. In the third I site, I(3) is bonded in a distorted trigonal non-coplanar geometry to one O(12), one O(16), and one O(19) atom. In the fourth I site, I(4) is bonded in a distorted trigonal non-coplanar geometry to one O(11), one O(15), and one O(20) atom. In the fifth I site, I(5) is bonded in a 3-coordinate geometry to one O(11), one O(22), one O(25), and one O(6) atom. In the sixth I site, I(6) is bonded in a 3-coordinate geometry to one O(12), one O(21), one O(26), and one O(5) atom. In the seventh I site, I(7) is bonded in a 3-coordinate geometry to one O(10), one O(24), one O(27), and one O(8) atom. In the eighth I site, I(8) is bonded in a 3-coordinate geometry to one O(23), one O(28), one O(7), and one O(9) atom.