CaV2O10 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 6-coordinate geometry to one O(4), one O(6), one O(7), one O(9), and two equivalent O(8) atoms. There are two inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(2), one O(5), one O(6), and two equivalent O(1) atoms. In the second V site, V(2) is bonded to one O(1), one O(4), one O(7), and two equivalent O(2) atoms to form distorted edge-sharing VO5 tetrahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one V(2) and two equivalent V(1) atoms. In the second O site, O(2) is bonded in a 3-coordinate geometry to one V(1) and two equivalent V(2) atoms. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one O(10) and one O(9) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Ca(1) and one V(2) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one V(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Ca(1) and one V(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Ca(1) and one V(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent Ca(1) and one O(8) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one O(3) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one O(3) atom.
CaV2O10 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 6-coordinate geometry to one O(4), one O(6), one O(7), one O(9), and two equivalent O(8) atoms. The Ca(1)-O(4) bond length is 2.38 Å. The Ca(1)-O(6) bond length is 2.18 Å. The Ca(1)-O(7) bond length is 2.41 Å. The Ca(1)-O(9) bond length is 2.49 Å. There is one shorter (2.53 Å) and one longer (2.60 Å) Ca(1)-O(8) bond length. There are two inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(2), one O(5), one O(6), and two equivalent O(1) atoms. The V(1)-O(2) bond length is 1.92 Å. The V(1)-O(5) bond length is 1.63 Å. The V(1)-O(6) bond length is 1.71 Å. There is one shorter (1.97 Å) and one longer (2.04 Å) V(1)-O(1) bond length. In the second V site, V(2) is bonded to one O(1), one O(4), one O(7), and two equivalent O(2) atoms to form distorted edge-sharing VO5 tetrahedra. The V(2)-O(1) bond length is 1.87 Å. The V(2)-O(4) bond length is 1.69 Å. The V(2)-O(7) bond length is 1.71 Å. There is one shorter (1.80 Å) and one longer (2.44 Å) V(2)-O(2) bond length. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one V(2) and two equivalent V(1) atoms. In the second O site, O(2) is bonded in a 3-coordinate geometry to one V(1) and two equivalent V(2) atoms. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one O(10) and one O(9) atom. The O(3)-O(10) bond length is 1.27 Å. The O(3)-O(9) bond length is 1.31 Å. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Ca(1) and one V(2) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one V(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Ca(1) and one V(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Ca(1) and one V(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent Ca(1) and one O(8) atom. The O(8)-O(8) bond length is 1.26 Å. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one O(3) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one O(3) atom.