K2Pd(CO3)4 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(5), one O(6), and three equivalent O(3) atoms. Pd(1) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(4) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) 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 2-coordinate geometry to one K(1), one Pd(1), and one C(1) atom. In the third O site, O(2) is bonded in a distorted bent 120 degrees geometry to one K(1) and one C(1) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to three equivalent K(1) and one C(2) atom. In the fifth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Pd(1) and one C(2) atom. In the sixth O site, O(5) is bonded in a bent 120 degrees geometry to one K(1) and one O(6) atom.
K2Pd(CO3)4 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(5), one O(6), and three equivalent O(3) atoms. The K(1)-O(1) bond length is 3.21 Å. The K(1)-O(2) bond length is 2.68 Å. The K(1)-O(5) bond length is 3.13 Å. The K(1)-O(6) bond length is 3.09 Å. There are a spread of K(1)-O(3) bond distances ranging from 2.76-3.05 Å. Pd(1) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(4) atoms. Both Pd(1)-O(1) bond lengths are 2.03 Å. Both Pd(1)-O(4) bond lengths are 2.04 Å. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(1)-O(1) bond length is 1.30 Å. The C(1)-O(2) bond length is 1.24 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(2)-O(3) bond length is 1.25 Å. The C(2)-O(4) bond length is 1.29 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 1.23 Å. In the second O site, O(1) is bonded in a 2-coordinate geometry to one K(1), one Pd(1), and one C(1) atom. In the third O site, O(2) is bonded in a distorted bent 120 degrees geometry to one K(1) and one C(1) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to three equivalent K(1) and one C(2) atom. In the fifth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Pd(1) and one C(2) atom. In the sixth O site, O(5) is bonded in a bent 120 degrees geometry to one K(1) and one O(6) atom.