K3(Mo5O14)2O2 crystallizes in the triclinic P-1 space group. The structure consists of two water atoms inside a K3(Mo5O14)2 framework. In the K3(Mo5O14)2 framework, there are two inequivalent K sites. In the first K site, K(1) is bonded in a 2-coordinate geometry to one O(10), one O(11), one O(14), and one O(2) atom. In the second K site, K(2) is bonded in a linear geometry to two equivalent Mo(3) and two equivalent O(12) atoms. There are five inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 4-coordinate geometry to one O(1), one O(12), one O(7), and one O(8) atom. In the second Mo site, Mo(2) is bonded in a 3-coordinate geometry to one O(1), one O(10), one O(16), one O(2), one O(4), and one O(5) atom. In the third Mo site, Mo(3) is bonded in a 4-coordinate geometry to one K(2), one O(12), one O(5), and one O(9) atom. In the fourth Mo site, Mo(4) is bonded in a 2-coordinate geometry to one O(10), one O(13), one O(15), and one O(4) atom. In the fifth Mo site, Mo(5) is bonded in a 2-coordinate geometry to one O(14), one O(6), and one O(8) atom. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mo(1), one Mo(2), one O(16), and one O(7) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one K(1) and one Mo(2) atom. In the third O site, O(4) is bonded in a bent 120 degrees geometry to one Mo(2) and one Mo(4) atom. In the fourth O site, O(5) is bonded in a distorted linear geometry to one Mo(2) and one Mo(3) atom. In the fifth O site, O(6) is bonded in a distorted single-bond geometry to one Mo(5) atom. In the sixth O site, O(7) is bonded in a distorted single-bond geometry to one Mo(1) and one O(1) atom. In the seventh O site, O(8) is bonded in a 3-coordinate geometry to one Mo(1), one Mo(5), and one O(13) atom. In the eighth O site, O(9) is bonded in a single-bond geometry to one Mo(3) and one O(15) atom. In the ninth O site, O(10) is bonded in a 4-coordinate geometry to one K(1), one Mo(2), one Mo(4), and one O(11) atom. In the tenth O site, O(11) is bonded in a 2-coordinate geometry to one K(1) and one O(10) atom. In the eleventh O site, O(12) is bonded in a 3-coordinate geometry to one K(2), one Mo(1), and one Mo(3) atom. In the twelfth O site, O(13) is bonded in a distorted single-bond geometry to one Mo(4) and one O(8) atom. In the thirteenth O site, O(14) is bonded in a bent 150 degrees geometry to one K(1) and one Mo(5) atom. In the fourteenth O site, O(15) is bonded in a distorted square co-planar geometry to two equivalent Mo(4) and two equivalent O(9) atoms. In the fifteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Mo(2) and two equivalent O(1) atoms.
K3(Mo5O14)2O2 crystallizes in the triclinic P-1 space group. The structure consists of two water atoms inside a K3(Mo5O14)2 framework. In the K3(Mo5O14)2 framework, there are two inequivalent K sites. In the first K site, K(1) is bonded in a 2-coordinate geometry to one O(10), one O(11), one O(14), and one O(2) atom. The K(1)-O(10) bond length is 2.75 Å. The K(1)-O(11) bond length is 2.54 Å. The K(1)-O(14) bond length is 1.54 Å. The K(1)-O(2) bond length is 2.08 Å. In the second K site, K(2) is bonded in a linear geometry to two equivalent Mo(3) and two equivalent O(12) atoms. Both K(2)-Mo(3) bond lengths are 2.38 Å. Both K(2)-O(12) bond lengths are 1.46 Å. There are five inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 4-coordinate geometry to one O(1), one O(12), one O(7), and one O(8) atom. The Mo(1)-O(1) bond length is 2.36 Å. The Mo(1)-O(12) bond length is 1.87 Å. The Mo(1)-O(7) bond length is 2.22 Å. The Mo(1)-O(8) bond length is 2.42 Å. In the second Mo site, Mo(2) is bonded in a 3-coordinate geometry to one O(1), one O(10), one O(16), one O(2), one O(4), and one O(5) atom. The Mo(2)-O(1) bond length is 2.45 Å. The Mo(2)-O(10) bond length is 2.83 Å. The Mo(2)-O(16) bond length is 2.51 Å. The Mo(2)-O(2) bond length is 1.96 Å. The Mo(2)-O(4) bond length is 2.17 Å. The Mo(2)-O(5) bond length is 1.96 Å. In the third Mo site, Mo(3) is bonded in a 4-coordinate geometry to one K(2), one O(12), one O(5), and one O(9) atom. The Mo(3)-O(12) bond length is 2.03 Å. The Mo(3)-O(5) bond length is 1.57 Å. The Mo(3)-O(9) bond length is 1.26 Å. In the fourth Mo site, Mo(4) is bonded in a 2-coordinate geometry to one O(10), one O(13), one O(15), and one O(4) atom. The Mo(4)-O(10) bond length is 2.65 Å. The Mo(4)-O(13) bond length is 2.10 Å. The Mo(4)-O(15) bond length is 2.65 Å. The Mo(4)-O(4) bond length is 1.62 Å. In the fifth Mo site, Mo(5) is bonded in a 2-coordinate geometry to one O(14), one O(6), and one O(8) atom. The Mo(5)-O(14) bond length is 1.23 Å. The Mo(5)-O(6) bond length is 1.70 Å. The Mo(5)-O(8) bond length is 2.38 Å. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mo(1), one Mo(2), one O(16), and one O(7) atom. The O(1)-O(16) bond length is 1.30 Å. The O(1)-O(7) bond length is 2.00 Å. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one K(1) and one Mo(2) atom. In the third O site, O(4) is bonded in a bent 120 degrees geometry to one Mo(2) and one Mo(4) atom. In the fourth O site, O(5) is bonded in a distorted linear geometry to one Mo(2) and one Mo(3) atom. In the fifth O site, O(6) is bonded in a distorted single-bond geometry to one Mo(5) atom. In the sixth O site, O(7) is bonded in a distorted single-bond geometry to one Mo(1) and one O(1) atom. In the seventh O site, O(8) is bonded in a 3-coordinate geometry to one Mo(1), one Mo(5), and one O(13) atom. The O(8)-O(13) bond length is 1.70 Å. In the eighth O site, O(9) is bonded in a single-bond geometry to one Mo(3) and one O(15) atom. The O(9)-O(15) bond length is 2.03 Å. In the ninth O site, O(10) is bonded in a 4-coordinate geometry to one K(1), one Mo(2), one Mo(4), and one O(11) atom. The O(10)-O(11) bond length is 1.68 Å. In the tenth O site, O(11) is bonded in a 2-coordinate geometry to one K(1) and one O(10) atom. In the eleventh O site, O(12) is bonded in a 3-coordinate geometry to one K(2), one Mo(1), and one Mo(3) atom. In the twelfth O site, O(13) is bonded in a distorted single-bond geometry to one Mo(4) and one O(8) atom. In the thirteenth O site, O(14) is bonded in a bent 150 degrees geometry to one K(1) and one Mo(5) atom. In the fourteenth O site, O(15) is bonded in a distorted square co-planar geometry to two equivalent Mo(4) and two equivalent O(9) atoms. In the fifteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Mo(2) and two equivalent O(1) atoms.