KSbMo2O8 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(7) atoms. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a distorted tetrahedral geometry to one O(2), one O(4), one O(5), and one O(6) atom. In the second Mo site, Mo(2) is bonded in a 6-coordinate geometry to one O(1), one O(7), two equivalent O(3), and two equivalent O(8) atoms. Sb(1) is bonded in a 5-coordinate geometry to one O(1), one O(6), one O(8), and two equivalent O(5) atoms. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Mo(2) and one Sb(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(1) and one Mo(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and two equivalent Mo(2) atoms. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one K(1) and one Mo(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Mo(1) and two equivalent Sb(1) atoms. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one K(1), one Mo(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to two equivalent K(1) and one Mo(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Mo(2) and one Sb(1) atom.
KSbMo2O8 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(7) atoms. The K(1)-O(2) bond length is 2.73 Å. The K(1)-O(3) bond length is 2.81 Å. The K(1)-O(4) bond length is 2.73 Å. The K(1)-O(6) bond length is 2.78 Å. Both K(1)-O(7) bond lengths are 2.78 Å. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a distorted tetrahedral geometry to one O(2), one O(4), one O(5), and one O(6) atom. The Mo(1)-O(2) bond length is 1.74 Å. The Mo(1)-O(4) bond length is 1.75 Å. The Mo(1)-O(5) bond length is 1.89 Å. The Mo(1)-O(6) bond length is 1.89 Å. In the second Mo site, Mo(2) is bonded in a 6-coordinate geometry to one O(1), one O(7), two equivalent O(3), and two equivalent O(8) atoms. The Mo(2)-O(1) bond length is 1.93 Å. The Mo(2)-O(7) bond length is 1.74 Å. There is one shorter (1.80 Å) and one longer (2.49 Å) Mo(2)-O(3) bond length. There is one shorter (2.00 Å) and one longer (2.11 Å) Mo(2)-O(8) bond length. Sb(1) is bonded in a 5-coordinate geometry to one O(1), one O(6), one O(8), and two equivalent O(5) atoms. The Sb(1)-O(1) bond length is 2.04 Å. The Sb(1)-O(6) bond length is 2.03 Å. The Sb(1)-O(8) bond length is 2.35 Å. There is one shorter (2.19 Å) and one longer (2.64 Å) Sb(1)-O(5) bond length. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Mo(2) and one Sb(1) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(1) and one Mo(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and two equivalent Mo(2) atoms. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one K(1) and one Mo(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Mo(1) and two equivalent Sb(1) atoms. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one K(1), one Mo(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to two equivalent K(1) and one Mo(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Mo(2) and one Sb(1) atom.