K2Mo2C4O15 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 7-coordinate geometry to one O(5), one O(6), one O(8), two equivalent O(1), and two equivalent O(7) atoms. Mo(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom. 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(6) and one O(8) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(7) atom. There are eight inequivalent O sites. In the first O site, O(6) is bonded in a single-bond geometry to one K(1) and one C(1) atom. In the second O site, O(7) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(2) atom. In the third O site, O(8) is bonded in a distorted single-bond geometry to one K(1), one Mo(1), and one C(1) atom. In the fourth O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1) and one Mo(1) atom. In the fifth O site, O(2) is bonded in a single-bond geometry to one Mo(1) atom. In the sixth O site, O(3) is bonded in a bent 120 degrees geometry to one Mo(1) and one C(2) atom. In the seventh O site, O(4) is bonded in a linear geometry to two equivalent Mo(1) atoms. In the eighth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one K(1) and one Mo(1) atom.
K2Mo2C4O15 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 7-coordinate geometry to one O(5), one O(6), one O(8), two equivalent O(1), and two equivalent O(7) atoms. The K(1)-O(5) bond length is 2.68 Å. The K(1)-O(6) bond length is 2.99 Å. The K(1)-O(8) bond length is 3.07 Å. There is one shorter (2.78 Å) and one longer (2.90 Å) K(1)-O(1) bond length. There is one shorter (2.82 Å) and one longer (2.83 Å) K(1)-O(7) bond length. Mo(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom. The Mo(1)-O(1) bond length is 1.75 Å. The Mo(1)-O(2) bond length is 2.26 Å. The Mo(1)-O(3) bond length is 2.09 Å. The Mo(1)-O(4) bond length is 1.92 Å. The Mo(1)-O(5) bond length is 1.73 Å. The Mo(1)-O(8) bond length is 2.21 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(6) and one O(8) atom. The C(1)-O(6) bond length is 1.24 Å. The C(1)-O(8) bond length is 1.29 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(7) atom. The C(2)-O(3) bond length is 1.30 Å. The C(2)-O(7) bond length is 1.23 Å. There are eight inequivalent O sites. In the first O site, O(6) is bonded in a single-bond geometry to one K(1) and one C(1) atom. In the second O site, O(7) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(2) atom. In the third O site, O(8) is bonded in a distorted single-bond geometry to one K(1), one Mo(1), and one C(1) atom. In the fourth O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1) and one Mo(1) atom. In the fifth O site, O(2) is bonded in a single-bond geometry to one Mo(1) atom. In the sixth O site, O(3) is bonded in a bent 120 degrees geometry to one Mo(1) and one C(2) atom. In the seventh O site, O(4) is bonded in a linear geometry to two equivalent Mo(1) atoms. In the eighth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one K(1) and one Mo(1) atom.