KAlCO6 crystallizes in the orthorhombic Pna2_1 space group. K(1) is bonded in a 7-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(1), and two equivalent O(2) atoms. Al(1) is bonded to one O(1), one O(2), one O(5), and two equivalent O(4) atoms to form corner-sharing AlO5 square pyramids. C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. There are six inequivalent O sites. In the first O site, O(6) is bonded in a bent 120 degrees geometry to one K(1) and one O(5) atom. In the second O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Al(1), and one C(1) atom. In the third O site, O(2) is bonded in a 2-coordinate geometry to two equivalent K(1), one Al(1), and one C(1) atom. In the fourth O site, O(3) is bonded in a single-bond geometry to one C(1) atom. In the fifth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one K(1) and two equivalent Al(1) atoms. In the sixth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Al(1), and one O(6) atom.
KAlCO6 crystallizes in the orthorhombic Pna2_1 space group. K(1) is bonded in a 7-coordinate geometry to one O(4), one O(5), one O(6), two equivalent O(1), and two equivalent O(2) atoms. The K(1)-O(4) bond length is 2.67 Å. The K(1)-O(5) bond length is 3.02 Å. The K(1)-O(6) bond length is 2.90 Å. There is one shorter (2.99 Å) and one longer (3.08 Å) K(1)-O(1) bond length. There is one shorter (2.92 Å) and one longer (3.09 Å) K(1)-O(2) bond length. Al(1) is bonded to one O(1), one O(2), one O(5), and two equivalent O(4) atoms to form corner-sharing AlO5 square pyramids. The Al(1)-O(1) bond length is 1.93 Å. The Al(1)-O(2) bond length is 1.94 Å. The Al(1)-O(5) bond length is 2.15 Å. Both Al(1)-O(4) bond lengths are 1.74 Å. C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. The C(1)-O(1) bond length is 1.32 Å. The C(1)-O(2) bond length is 1.32 Å. The C(1)-O(3) bond length is 1.26 Å. There are six inequivalent O sites. In the first O site, O(6) is bonded in a bent 120 degrees geometry to one K(1) and one O(5) atom. The O(6)-O(5) bond length is 1.26 Å. In the second O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Al(1), and one C(1) atom. In the third O site, O(2) is bonded in a 2-coordinate geometry to two equivalent K(1), one Al(1), and one C(1) atom. In the fourth O site, O(3) is bonded in a single-bond geometry to one C(1) atom. In the fifth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one K(1) and two equivalent Al(1) atoms. In the sixth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Al(1), and one O(6) atom.