K2BiH5(CO2)5 crystallizes in the monoclinic C2/c space group. K(1) is bonded in a 9-coordinate geometry to one O(5), two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one H(1), one O(1), and one O(2) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one H(2), one O(3), and one O(4) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one H(3) and two equivalent O(5) atoms. Bi(1) is bonded in a 10-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. There are five inequivalent O sites. In the first O site, O(4) is bonded in a single-bond geometry to two equivalent K(1), one C(2), and one Bi(1) atom. In the second O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one C(3), and one Bi(1) atom. In the third O site, O(1) is bonded in a single-bond geometry to two equivalent K(1), one C(1), and one Bi(1) atom. In the fourth O site, O(2) is bonded in a distorted single-bond geometry to two equivalent K(1), one C(1), and one Bi(1) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to two equivalent K(1), one C(2), and one Bi(1) atom.
K2BiH5(CO2)5 crystallizes in the monoclinic C2/c space group. K(1) is bonded in a 9-coordinate geometry to one O(5), two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. The K(1)-O(5) bond length is 2.79 Å. There is one shorter (2.94 Å) and one longer (2.97 Å) K(1)-O(1) bond length. There is one shorter (2.80 Å) and one longer (2.89 Å) K(1)-O(2) bond length. There is one shorter (3.03 Å) and one longer (3.12 Å) K(1)-O(3) bond length. There is one shorter (2.98 Å) and one longer (3.03 Å) K(1)-O(4) bond length. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one H(1), one O(1), and one O(2) atom. The C(1)-H(1) bond length is 1.11 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one H(2), one O(3), and one O(4) atom. The C(2)-H(2) bond length is 1.12 Å. The C(2)-O(3) bond length is 1.28 Å. The C(2)-O(4) bond length is 1.26 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one H(3) and two equivalent O(5) atoms. The C(3)-H(3) bond length is 1.11 Å. Both C(3)-O(5) bond lengths are 1.27 Å. Bi(1) is bonded in a 10-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. Both Bi(1)-O(1) bond lengths are 2.51 Å. Both Bi(1)-O(2) bond lengths are 2.64 Å. Both Bi(1)-O(3) bond lengths are 2.55 Å. Both Bi(1)-O(4) bond lengths are 2.74 Å. Both Bi(1)-O(5) bond lengths are 2.59 Å. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. There are five inequivalent O sites. In the first O site, O(4) is bonded in a single-bond geometry to two equivalent K(1), one C(2), and one Bi(1) atom. In the second O site, O(5) is bonded in a distorted single-bond geometry to one K(1), one C(3), and one Bi(1) atom. In the third O site, O(1) is bonded in a single-bond geometry to two equivalent K(1), one C(1), and one Bi(1) atom. In the fourth O site, O(2) is bonded in a distorted single-bond geometry to two equivalent K(1), one C(1), and one Bi(1) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to two equivalent K(1), one C(2), and one Bi(1) atom.