KZn2C6O13 crystallizes in the triclinic P-1 space group. K(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(6), and two equivalent O(13) atoms. The K(1)-O(2) bond length is 2.80 Å. The K(1)-O(3) bond length is 2.77 Å. The K(1)-O(4) bond length is 3.30 Å. The K(1)-O(6) bond length is 2.98 Å. There is one shorter (2.79 Å) and one longer (2.98 Å) K(1)-O(13) bond length. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Zn(1)-O(1) bond length is 2.07 Å. The Zn(1)-O(2) bond length is 2.09 Å. The Zn(1)-O(3) bond length is 2.10 Å. The Zn(1)-O(4) bond length is 2.10 Å. The Zn(1)-O(5) bond length is 2.11 Å. The Zn(1)-O(6) bond length is 2.13 Å. In the second Zn site, Zn(2) is bonded in an octahedral geometry to one O(10), one O(11), one O(12), one O(7), one O(8), and one O(9) atom. The Zn(2)-O(10) bond length is 2.11 Å. The Zn(2)-O(11) bond length is 2.12 Å. The Zn(2)-O(12) bond length is 2.13 Å. The Zn(2)-O(7) bond length is 2.08 Å. The Zn(2)-O(8) bond length is 2.09 Å. The Zn(2)-O(9) bond length is 2.11 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(3) atom. The C(1)-O(2) bond length is 1.24 Å. The C(1)-O(3) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(10) atom. The C(2)-O(1) bond length is 1.27 Å. The C(2)-O(10) bond length is 1.24 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(3)-O(5) bond length is 1.26 Å. The C(3)-O(6) bond length is 1.25 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(12) and one O(4) atom. The C(4)-O(12) bond length is 1.24 Å. The C(4)-O(4) bond length is 1.27 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(5)-O(7) bond length is 1.26 Å. The C(5)-O(8) bond length is 1.26 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(9) atom. The C(6)-O(11) bond length is 1.25 Å. The C(6)-O(9) bond length is 1.26 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one K(1), one Zn(1), and one C(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one K(1), one Zn(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one K(1), one Zn(1), and one C(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(3) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Zn(1), and one C(3) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(5) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(5) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(6) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(2) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(6) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(4) atom. In the thirteenth O site, O(13) is bonded in an L-shaped geometry to two equivalent K(1) atoms. Linkers: 3 [O]C(=O)C([O])=O. Metal clusters: 2 [K] ,4 [Zn]. The MOF has largest included sphere 5.69 A, density 1.35 g/cm3, surface area 3197.65 m2/g, accessible volume 0.46 cm3/g