CsK2LaV2O8 crystallizes in the monoclinic P2_1/m space group. Cs(1) is bonded in a 11-coordinate geometry to one O(1), one O(2), two equivalent O(4), three equivalent O(6), and four equivalent O(5) atoms. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to one O(3), one O(6), two equivalent O(4), two equivalent O(5), and three equivalent O(1) atoms. In the second K site, K(2) is bonded in a 10-coordinate geometry to one O(1), two equivalent O(5), three equivalent O(3), and four equivalent O(4) atoms. La(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(6), two equivalent O(4), and two equivalent O(5) atoms. There are two inequivalent V sites. In the first V site, V(1) is bonded in a tetrahedral geometry to one O(1), one O(3), and two equivalent O(4) atoms. In the second V site, V(2) is bonded in a tetrahedral geometry to one O(2), one O(6), and two equivalent O(5) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cs(1), one K(2), three equivalent K(1), and one V(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cs(1), one La(1), and one V(2) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one K(1), three equivalent K(2), one La(1), and one V(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Cs(1), one K(1), two equivalent K(2), one La(1), and one V(1) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to two equivalent Cs(1), one K(1), one K(2), one La(1), and one V(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to three equivalent Cs(1), one K(1), one La(1), and one V(2) atom.
CsK2LaV2O8 crystallizes in the monoclinic P2_1/m space group. Cs(1) is bonded in a 11-coordinate geometry to one O(1), one O(2), two equivalent O(4), three equivalent O(6), and four equivalent O(5) atoms. The Cs(1)-O(1) bond length is 3.30 Å. The Cs(1)-O(2) bond length is 2.82 Å. Both Cs(1)-O(4) bond lengths are 3.41 Å. There are two shorter (3.15 Å) and one longer (3.30 Å) Cs(1)-O(6) bond length. There are two shorter (3.24 Å) and two longer (3.47 Å) Cs(1)-O(5) bond lengths. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to one O(3), one O(6), two equivalent O(4), two equivalent O(5), and three equivalent O(1) atoms. The K(1)-O(3) bond length is 2.85 Å. The K(1)-O(6) bond length is 2.90 Å. Both K(1)-O(4) bond lengths are 3.16 Å. Both K(1)-O(5) bond lengths are 3.05 Å. There is one shorter (2.88 Å) and two longer (3.24 Å) K(1)-O(1) bond lengths. In the second K site, K(2) is bonded in a 10-coordinate geometry to one O(1), two equivalent O(5), three equivalent O(3), and four equivalent O(4) atoms. The K(2)-O(1) bond length is 2.82 Å. Both K(2)-O(5) bond lengths are 2.97 Å. There are two shorter (3.05 Å) and one longer (3.33 Å) K(2)-O(3) bond length. There are two shorter (2.96 Å) and two longer (3.29 Å) K(2)-O(4) bond lengths. La(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(6), two equivalent O(4), and two equivalent O(5) atoms. The La(1)-O(2) bond length is 2.63 Å. The La(1)-O(3) bond length is 2.54 Å. The La(1)-O(6) bond length is 2.65 Å. Both La(1)-O(4) bond lengths are 2.41 Å. Both La(1)-O(5) bond lengths are 2.49 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded in a tetrahedral geometry to one O(1), one O(3), and two equivalent O(4) atoms. The V(1)-O(1) bond length is 1.72 Å. The V(1)-O(3) bond length is 1.75 Å. Both V(1)-O(4) bond lengths are 1.76 Å. In the second V site, V(2) is bonded in a tetrahedral geometry to one O(2), one O(6), and two equivalent O(5) atoms. The V(2)-O(2) bond length is 1.72 Å. The V(2)-O(6) bond length is 1.75 Å. Both V(2)-O(5) bond lengths are 1.76 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Cs(1), one K(2), three equivalent K(1), and one V(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Cs(1), one La(1), and one V(2) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one K(1), three equivalent K(2), one La(1), and one V(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Cs(1), one K(1), two equivalent K(2), one La(1), and one V(1) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to two equivalent Cs(1), one K(1), one K(2), one La(1), and one V(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to three equivalent Cs(1), one K(1), one La(1), and one V(2) atom.